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How to automatically generate a stacktrace when my program crashes
...his output:
$ ./test
Error: signal 11:
./test(handler+0x19)[0x400911]
/lib64/tls/libc.so.6[0x3a9b92e380]
./test(baz+0x14)[0x400962]
./test(bar+0xe)[0x400983]
./test(foo+0xe)[0x400993]
./test(main+0x28)[0x4009bd]
/lib64/tls/libc.so.6(__libc_start_main+0xdb)[0x3a9b91c4bb]
./test[0x40086a]
This show...
How do you use bcrypt for hashing passwords in PHP?
...edHat PHP >= 5.3.3)
There is a compatibility library on GitHub created based on the source code of the above functions originally written in C, which provides the same functionality. Once the compatibility library is installed, usage is the same as above (minus the shorthand array notation if y...
GCC compile error with >2 GB of code
... of such offsets
write an evaluator which accepts the array above and the base addresses of the structure pointers and produces an result
The array+evaluator will represent the same logic as one of your functions, but only the evaluator will be code. The array is "data" and can be either generate...
Is there some way to PUSH data from web server to browser?
...s with HTTP and then upgrade them to two-directional client-server message-based communication.
You can easily initiate the connection from javascript:
var ws = new WebSocket("ws://your.domain.com/somePathIfYouNeed?args=any");
ws.onmessage = function (evt)
{
var message = evt.data;
//decode m...
How do you assert that a certain exception is thrown in JUnit 4 tests?
...e source code can be found here: https://github.com/kolorobot/unit-testing-demo/tree/master/src/test/java/com/github/kolorobot/exceptions/java8
Disclosure: I am the author of the blog and the project.
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How to set the prototype of a JavaScript object that has already been instantiated?
...sire.
Basically prototype/methods just allow for a way to group functions based on an object.
Instead of writing
function trim(x){ /* implementation */ }
trim(' test ');
you write
' test '.trim();
The above syntax has been coined the term OOP because of the object.method() syntax.
Som...
When do I use the PHP constant “PHP_EOL”?
...uses "\n". Someone should file a bug report...
– imgx64
Jan 28 '12 at 7:32
28
@imgx64 Yeah maybe,...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
...
Or C:\OpenSSL-Win64\bin\openssl.cfg in 64bits systems
– borjab
Nov 13 '14 at 9:59
13
...
Concurrent vs serial queues in GCD
... print("\(i) executed")
}
}
}
EDIT EDIT: You can watch demo video here
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How to get disk capacity and free space of remote computer
...FreeSpaceEx -PassThru
$freeBytesAvailable = New-Object System.UInt64 # differs from totalNumberOfFreeBytes when per-user disk quotas are in place
$totalNumberOfBytes = New-Object System.UInt64
$totalNumberOfFreeBytes = New-Object System.UInt64
$l_result = $l_type::GetDiskFr...