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Bash test variable and program exit in same statement
With these it helps Because [[ is a separate (bash builtin) program, like ping or any other program.Do outside of [[ ]].
TAG :bash
Date : August 11 2020, 06:00 AM , By : Mauricio García
Why do Windows and Linux have different strdup implementations: strdup() and _strdup()?
fixed the issue. Will look into that further There are several functions that are part of the POSIX specification, i.e. Linux and most other UNIX variants, that are not part of standard C. These include strdup, write, read, and others.The reasoning f
TAG :c
Date : August 11 2020, 06:00 AM , By : Jakub Zíka
C - Calculating Variance
it should still fix some issue The reason for NaN has already been noted in comments and an answer, i.e. sqrt of a negative number.However, it seems to me that you are using the wrong formula. If you want to calculate variance, you need the square -
TAG :c
Date : August 11 2020, 06:00 AM , By : Akash Gupta
How to convert a mysql column type and collation at once?
To fix the issue you can do You have to call CONVERT() twice, once to change the type, then to change the collation.
TAG :mysql
Date : August 11 2020, 06:00 AM , By : mweintr
Best approach for aligning 3 square images, 1 large and 2 small, the large left-adjacent to the 2 small stacked on top o
Does that help You need to have one row with 2 columns, then in the second column nest another row with always col-12 images. Here is what the code should look like. Also i would take out the width and height attributes from images and just let the c
TAG :html
Date : August 11 2020, 06:00 AM , By : Teresa Smith Hatcher
What is wrong about this code using Transaction Management in Spring
fixed the issue. Will look into that further , Several possible reasons that it does not work as expected.
TAG :java
Date : August 11 2020, 06:00 AM , By : Wakeel Ahmed
C# SSIS Script Task - Add Thousand Seperator when formatting Excel column
fixed the issue. Will look into that further I believe you can use this:sheet.Columns[6].NumberFormat = ",0.00";
TAG :chash
Date : August 11 2020, 06:00 AM , By : diddle
user is being sporadically logged out (only happens in Chrome)
Does that help Using a script I've previously used to start and store a session, except, instead of the user entering a password, I am using their windows login username and checking if they already exist in the user table. , Here is the problem:
TAG :php
Date : August 11 2020, 06:00 AM , By : pinkman
Why is my bootstrap timeline not styling correctly?
wish helps you Before you copy and paste from w3schools, check the class attribute and how they name the elements. The timeline from w3schools use "container" on the divs for left and right. Bootstrap also use "container" since it's required to use t
TAG :html
Date : August 11 2020, 06:00 AM , By : ShavaShav
Can I use JDK for commercial use?
I wish did fix the issue. Better to check the official documentation: Oracle Java SE Licensing FAQ.
TAG :java
Date : August 11 2020, 06:00 AM , By : kevin ruiz
Why isn't the value of list passed in a function getting updated?
To fix this issue l is a local variable; assigning to a name never alters the object it used to refer to. If you want to truncate the list referred to by l, you need to use something like
TAG :python-3.x
Date : August 11 2020, 06:00 AM , By : ahghavam
How to create a new column in R which matches multiple values from two different data frames
wish help you to fix your issue I have 2 data frames with thousands of variables. , You could use [ ie:
TAG :r
Date : August 11 2020, 06:00 AM , By : JJ1024
par(mfrow = c(x, y)) not working in Rmd inline output
help you fix your problem The x and y in par(mfrow = c(x, y)) designate the rows and columns, not the plots. You want something like:
TAG :r
Date : August 11 2020, 06:00 AM , By : Robirdian
condition_variable, references and threads: Who Owns The Lock?
With these it helps There are two major mistakes in the code: unique_lock shouldn't be a member variable. It must be created on the stack, so that when the scope is left (either upon normal return or an exception) the lock is released automatically f
TAG :cpp
Date : August 11 2020, 06:00 AM , By : Jamie
How to implement Front() method to return the first element of a templated doubly linked list C++?
I wish did fix the issue. Whenever I implement the front() method (to return the first element of the doubly linked list) in the main I get a segmentation fault even though the back() method (returning the info of tail) that was implemented in a simi
TAG :cpp
Date : August 11 2020, 06:00 AM , By : Ali Aijaz Kumbher
Bash Multiple conditions in while loop
Hope this helps You are using || where you should be using ; no matter what value vmProfil has, at least on of the != conditions must be true.
TAG :bash
Date : August 11 2020, 06:00 AM , By : PewPewWarrior
Open form B that has a subform based on form A
this will help Let me guess: Form B has no RecordSource. Only the subform under B does. When you execute the OpenForm method on Form B, you get the error because the WhereCondition has no records to act on. The WhereCondition has no knowledge of (and
TAG :development
Date : August 11 2020, 06:00 AM , By : GlennUrquhart
Does PHP have a built-in means of determining the oldest PHP version compatible with a given PHP script? Or will it ever
will help you The only guarantee given is that PHP will remain compatible within the same major version. You may be interested in looking at the article Why You Should Be Using Supported PHP Versions.The tool you are looking for is the GitHub project
TAG :php
Date : August 11 2020, 06:00 AM , By : apenk
How can I join some few numbers into one, for example 1,7,3 = 173?
I hope this helps you . I have been thinking on how to do this for some few hours now. , Assuming all your integers are just one digit in base 10:
TAG :cpp
Date : August 11 2020, 06:00 AM , By : JeffAdoke1
Shorten without using break
around this issue , Do you mean this:
TAG :python
Date : August 11 2020, 06:00 AM , By : Cassiano Mangold
Time complexity of sat
may help you . The number of variables is an appropriate measure of the complexity of the problem. Each of the N variables can take a true or false value, so there are 2N possible inputs. The SAT solver simply has to check whether it can find any com
TAG :algorithm
Date : August 11 2020, 05:00 AM , By : Pierre-Olivier Carre
LINQ Expression for remove duplicates
hop of those help? How Can I remove duplicates in Order Placed column and only leave one row for each date? , Yes, you can group by date:
TAG :sql
Date : August 11 2020, 05:00 AM , By : David Bernard Smith
Is there a better workflow for switching accounts with gcloud and kubectl?
will help you I suppose the quickest way to switch is creating aliases in your ~/.bashrc or ~/.zshrc file:
TAG :kubernetes
Date : August 11 2020, 05:00 AM , By : Raj Kumar
c# Strange Pairs || I can't spot the difference between these 2 solutions?
should help you out I tried a challenge on edabit.com It is about "strangepairs". So the task is to return true if "The 1st string's first letter = 2nd string's last letter. The 1st string's last letter = 2nd string's first letter." ...also return tr
TAG :chash
Date : August 11 2020, 05:00 AM , By : Maurice P
Angular Firestore get a single value from Doc
wish helps you In my .ts file I am trying to get a single value named 'index' from AngularFirestoreDocument. , it should be
TAG :angular
Date : August 11 2020, 05:00 AM , By : Phuong Doan
Laravel Eloquent query on pivot table
Any of those help Try adding a scope or two to your model.
TAG :laravel
Date : August 11 2020, 05:00 AM , By : Abdullahi Sheikh-Yus
JavaScript Limit Drop Down Menu To Number In Input
To fix this issue You just need to loop thru NoOfRec the same way you are making the table rowsInstead of looping thru 100 for (let a = 0; a
TAG :javascript
Date : August 11 2020, 05:00 AM , By : Michael Larsen
Spring Boot Security OAuth2 custom exception message
With these it helps This generic message on Spring Security has a purpose, and it's to obfuscate what's the actual reason for the failure in the login.Once you give specific messages as you want, e.g. Username doesn't exist, User deactivated, Passwor
TAG :java
Date : August 11 2020, 05:00 AM , By : brushytheKID
Document C code containing state machines
will be helpful for those in need A possible way is to use plantuml to code diagrams in text, in doxygen.Example of diagram:
TAG :c
Date : August 11 2020, 05:00 AM , By : Neven Kovacki
Semicolon expected in java method
I think the issue was by ths following , Oftentimes, and this goes for all programming languages, the error itself may not be accurate. In your case, you have function call just kind of... there.
TAG :java
Date : August 11 2020, 05:00 AM , By : H. Emir
How can I use socket io to send events to particular users who can overlap in rooms?
To fix the issue you can do Let me review what I think you said is the flow: UserA checks in at location A (let's say it's a public checkin) Your server decides what other users it needs to notify of that checkin (based on proximity of location) and
TAG :node.js
Date : August 11 2020, 05:00 AM , By : Reece Clifford
Excel Cell function
will help you Create 2 rules on cell A2 by navigating to Home > Conditional Formatting Rule 1: Select Greater Than, Input box = A1, Choose format Rule 2: Select Less Than, Input box = A1, Choose format Use the format painter to apply the rule all the
TAG :excel
Date : August 11 2020, 05:00 AM , By : Mariana Hávová
How to retrieve largest value from duplicate nodes in XQuery?
Hope that helps You can group your books by a string that comprises all duplicate values (author, title, genre) and return the book in that group which has the maximum number:
TAG :xml
Date : August 11 2020, 05:00 AM , By : McCatalyst
Python - Filtering Extremely Large XML File
seems to work fine I have a Wikipedia dump that uncompressed is ~75 GB (compressed: ~16 GB). I have tried using something along the lines of , But to do this, I would have to read it in first right?
TAG :python
Date : August 11 2020, 05:00 AM , By : Rajesh Kumar P
If __name__ == "__main__":
this will help Move everything underneath the if __name__=="__main__": into a main() method and call that from if __name__=="__main__":
TAG :python
Date : August 11 2020, 05:00 AM , By : Niels Brackeva
Loading and transposing eight 8-element float vectors
wish help you to fix your issue Do your offsets have a pattern, like a fixed stride that you could just scale?If not, perhaps pass them around as a struct instead of an __m256i if you're just going to need to extract them anyway?
TAG :optimization
Date : August 11 2020, 05:00 AM , By : G. Serra
How can I return the first N number of characters ending with a complete word from a dash-delimited string?
This might help you UPDATED ANSWER: Fixed your expressionThis will work and is based on what @Lukstroms posted; his does not handle your second requirement (when @N is the position of a hyphen.)
TAG :sql-server
Date : August 11 2020, 05:00 AM , By : BattleDrifter
Why can't I interact with a System V semaphores I've created?
may help you . What the semget() function returns isn't "a semaphor", it's an id of a semaphore set (or in your case, a single semaphore, since you're creating a set of size 1). That set id will stay 0 and won't change, no matter what happens to the
TAG :c
Date : August 11 2020, 05:00 AM , By : June
How to check if a textbox starts with numeric value
this will help In Windows forms C, I want to check if a textbox I made starts with a numeric value, then if it does I want to insert the minus (-) sign at the beginning to change the number to negative, I found a way but it's too time wasting, here's
TAG :chash
Date : August 11 2020, 05:00 AM , By : pfrozi
How can we replace NaNs in only specific rows?
this will help I need to replace NaN values only in specific rows of my data frame. My original looks like this: , You can just do a loc:
TAG :python
Date : August 11 2020, 05:00 AM , By : Vinicius Oliveira Li
Operation hours redesign
Does that help I am working on a requirement that has the 'Hours of operation' data as below: , For your sample data, this works:
TAG :sql
Date : August 11 2020, 04:00 AM , By : Power Man Samim
cucumber throwing java.lang.NoClassDefFoundError: io/cucumber/core/gherkin/FeatureParser
hop of those help? I'm learning Cucumber and I'm getting the FeatureParser error , I'm learning Cucumber and I'm getting the FeatureParser error
TAG :java
Date : August 11 2020, 04:00 AM , By : Mike Loiselle
SwiftUI View: Int/Double is not convertible to CGFloat
help you fix your problem With the following SwiftUI view, I get the compiler error "Int is not convertible to CGFloat" on the line calling padding(). If I change the value passed to padding() to 50.0, it says "Double is not convertible to CGFloat".
TAG :development
Date : August 11 2020, 04:00 AM , By : Стьопа
Firebase Analytics: Can I check if a Firebase Javascript Analytics event was logged before firebase updates?
With these it helps There is a Google Analytics Debugger Chrome extension, that allows you to see everything going out from that browser.
TAG :javascript
Date : August 11 2020, 04:00 AM , By : Srini Reddy
How to convert a list into object with multiple parameters
around this issue so I have an object called element and i have a csv file which has 118 lines of information regarding an element i.e atomic number, name, symbol, etc. so for the object it has 8 parameters and the Csv file is ordered in a way where
TAG :python
Date : August 11 2020, 04:00 AM , By : Jose
Python - Wildcards for integer values?
I hope this helps . How would I make my code round any value that has a decimal point of x.999999999? , Use modulo operator.
TAG :python
Date : August 11 2020, 04:00 AM , By : Chris Thurrott
Using hash directly in methods from unordered_map instead of the user defined object producing the hash
I hope this helps . If I understand you right, you want to have an std::unordered_map such that you can also query with hash_type and you have hash_type h == MyClass m if std::hash{}(m) == h. Is this correct? This is not possible in C++17. With C++20
TAG :cpp
Date : August 11 2020, 04:00 AM , By : Ëël Këvïn Mänsïa Dë
Remove a pattern in a string and mutate these values to a new column
should help you out Let's say I have this data frame: , Another...
TAG :r
Date : August 11 2020, 04:00 AM , By : Abhilash Thachil
C++ new/delete complexity guarantee by the standard
I hope this helps you . I was not able to find anything which would explicitly mention complexity. I am also pretty sure that any complexity questions are moot when it comes to new operators (i.e. memory allocation per se).There are complicated C++ r
TAG :cpp
Date : August 11 2020, 04:00 AM , By : Miyuru kariyawasam
Can this comparator function be replaced with an equivalent key function?
like below fixes the issue Since you've ruled out solutions that work like functools.cmp_to_key (i.e. declaring a class with dunder comparison methods), I infer that you want a way to do this where the key function only uses built-in types.The proble
TAG :python
Date : August 11 2020, 04:00 AM , By : newbie
How to select grand-grand child (Like 5th OR 6th grand child) element using xpath which has class name only
wish helps you The inside a predicate, the position() fuction works against the locator step axis. That is called proximity position. So this XPath expression:
TAG :java
Date : August 11 2020, 04:00 AM , By : Saroj Sharma
Jquery validation error displayed on "label". How to fix it?
it fixes the issue Validation also uses labels to show errors so you end up with double label for each field. Those from validation come with error class, so you can target them and either show it normally:
TAG :javascript
Date : August 11 2020, 04:00 AM , By : arrblair
'this' returns undefined in extended Classes in Javascript
around this issue The issue is that you are calling get() on the class itself, instead of calling it on an instance of the class. Try creating an instance of CategoryController, like so:
TAG :javascript
Date : August 11 2020, 04:00 AM , By : Anthony Manfredi
Transpose 2D Matrix in Java - Time & Space Complexity?
Hope that helps The time complexity for your algorithm will be O(n). If you pass in a 16 element matrix (4x4) it will take approximately 16 units of time. If you pass in a 100 element matrix (10x10) it will take approximately 100 units of time.The sp
TAG :java
Date : August 11 2020, 04:00 AM , By : IsaacMiguel
Filtering odd length strings from a list of strings
To fix this issue The reason this produces an error is because the filter (…) xs expression will return a list fo strings, not a single string. But your type signature specifies:
TAG :haskell
Date : August 11 2020, 04:00 AM , By : R S
React component does no re-render when it is swapped with the same one
this will help React needs a way to differentiate one component instance from the other. This will fix it
TAG :reactjs
Date : August 11 2020, 04:00 AM , By : Mārtiņš Vītols
How does using dynamic colors in viewDidLoad automatically switch the colors for Dark mode?
around this issue The colors you are using, systemBackground and label, are actually dynamic colors that adopt automatically when the trait collection changes. (Ok, under the hood it's more likely that the views that apply the colors react to trait e
TAG :development
Date : August 11 2020, 04:00 AM , By : Bo Hu
Correct context to use in RecyclerView adapter
help you fix your problem Any Context is fine. Your context reference is unresolved because you don't have a variable or property by that name, as you would from within a View or Activity. The most convenient way to get one in onBindViewHolder would
TAG :android
Date : August 11 2020, 04:00 AM , By : antcode
str.Split(".") not working in C# interactive window but work in C# .Net core project?
help you fix your problem The string.Split overloads that take a single string as a parameter (as opposed to an array) are new in .NET Core 2.0.C Interactive runs against .NET Framework, so it will never gain those APIs.
TAG :chash
Date : August 11 2020, 04:00 AM , By : Anton Petrov
JavaScript anonymous function parameters and calling arrangement
this will help I disagree that its simpler... What they are doing is called currying. Its a shorthand way to create a function that returns a function. So a longhand form would look like this:
TAG :javascript
Date : August 11 2020, 04:00 AM , By : Unknown

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