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Can't get read DSA keys from .pem files


Can't get read DSA keys from .pem files

By : Ada-Simona Popescu
Date : November 21 2020, 03:00 PM
I hope this helps you . You aren't generating private and public key, you're generating private key and (X.509) certificate. A certificate contains a public key but is not the same as a public key.
To read an X.509 certificate in Java, use CertificateFactory (usually directly from a file) (see javadoc online) not KeyFactory (on a key-dependent *Spec class). Unlike KeyFactory(s), CertificateFactory can handle either PEM or DER input, so you don't need to do the strip-BEGIN/END and de-base64 yourself (unless you want to).
code :


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Why Java HashMap get(key) works faster when keys are read using same HashMap's Iterator than when keys are read using a

Why Java HashMap get(key) works faster when keys are read using same HashMap's Iterator than when keys are read using a


By : Grant Viviers
Date : March 29 2020, 07:55 AM
hope this fix your issue When you read a large data structure (larger than 32 KB) how you read that data structure impact performance.
These are the typical sizes and speeds of you caches.
code :
L1:   32 KB, 4 clock cycles.
L2:  256 KB, 11 clock cycles.
L3: 3-30 MB, 40-75 clock cycles.
Main memory: up to 2TB, 200-500 clock cycles.
Read in files and add additional unique values for shared keys

Read in files and add additional unique values for shared keys


By : Emir U. Özen
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further This is a rough outline for what you might want to do:
Read all three files in, and extract the information you want into vars.
code :
while (<$file1>){
    chomp;
    my ($id, $word) = /"(\d+)","(.*)"/;
    $english_hash{$id} = $word;
}
    for my $id (keys %english_hash){
    print "$id\t English: $english_hash{$id}\t";
        if (exists $french_hash{$id}){
            print "French: $french_hash{$id}\n";
        }
        else {print "French: [...]\n"}  
}
55547    English: Bonus string! French: [...]
55548    English: Please help.  French: S'il vous plaît aider.
55545    English: Hello.    French: Bonjour.
55546    English: I'm new to perl.  French: Je suis nouveau à perl.
How to read eclipse default key binding values which are in General-Keys-Keys Preference page

How to read eclipse default key binding values which are in General-Keys-Keys Preference page


By : Zim
Date : March 29 2020, 07:55 AM
hope this fix your issue I am using below code to get the updated preferences which are existed in workbench.prefs file. , You can get the current key bindings from the binding service:
code :
IBindingService bindingService = PlatformUI.getWorkbench().getAdapter(IBindingService.class);

Binding [] bindings = bindingService.getBindings();
how to compare two text files which has the same keys and then write a new one which has both the same keys and the one

how to compare two text files which has the same keys and then write a new one which has both the same keys and the one


By : para sakthi
Date : March 29 2020, 07:55 AM
I hope this helps you . Input files: , This seems to do what you want:
code :
from collections import defaultdict
import itertools


with open('file1.txt') as f1, open('file2.txt') as f2, open('out.txt', 'w') as out:
    tmp = defaultdict(list)

    for l in itertools.chain(f1, f2):
        l = l.strip()

        if not l:
            continue

        name, a, b = l.split(',')
        tmp[name] += (a, b)

    out.writelines((','.join((k, *v)) + '\n' for k, v in tmp.items()))
if l:
    # do our stuff
>>> v = [1, 2, 3]
>>> v += (4, 5)
>>> v
[1, 2, 3, 4, 5]
out.writelines((','.join((k, *v)) + '\n' for k, v in tmp.items()))
How to open and read number of files in the same directory and how to define global variable to read files

How to open and read number of files in the same directory and how to define global variable to read files


By : Manjunatha S
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further The file variable in your code only stores the file name. But while opening a file you should provide the relative path as well.
In your case just append C:/Users/Mariam/PycharmProjects/Group/Copy to the file variable and your code will work fine.
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