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TCP: can two different sockets share a port?
...n.
3.) When a client connects to a server, it picks a random, unused high-order source port. This way, a single client can have up to ~64k connections to the server for the same destination port.
So, this is really what gets created when a client connects to a server:
Local Computer | Remot...
Convert SVG image to PNG with PHP
...= base64_decode($data[1]);
$dimg=imagecreatefromstring($base64img);
//in order to avoid copying a black figure into a (default) black background you must create a white background
$im_out = ImageCreateTrueColor($width,$height);
$bgfill = imagecolorallocate( $im_out, 255, 255, 255 );
imagefill( $i...
How exactly does the callstack work?
...called function prologue and epilogue, respectively.
Inside the frame the order of the variables is completely unspecified; Compilers "reorder" the positions of local variables inside a frame appropriately to optimize their alignment so the processor can fetch them as quickly as possible. The cruci...
How do I update all my CPAN modules to their latest versions?
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How to export revision history from mercurial or git to cvs?
...mits that were done in less than a minute with the same commit message (in order to revert a wrongfully deleted file) were grouped into one big commit, which resulted in a missing file from the tree..
I was able to solve this problem by modifying the 'fuzz' parameter to less than a minute.
example...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
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Shell script to delete directories older than n days
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@OrGal you are absolutely correct. In order to prevent this, just use: find /path/to/base/dir/*.
– zloynemec
Jul 5 '15 at 8:28
11
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Why does the 260 character path length limit exist in Windows?
... is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>"...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...mp__ method, it is called. This function must return an int indicating the order of the two object (-1 if self < other, 0 if self == other, +1 if self > other).
Otherwise, the object are compared for identity (ie. they are reference to the same object, as can be tested by the is operator).
T...
How to group time by hour or by 10 minutes
... BY DATEADD(MINUTE, DATEDIFF(MINUTE, '2000', aa.[date]) / 10 * 10, '2000')
ORDER BY [date_truncated]
If your data spans centuries,&ddagger; using a single anchor date for second- or millisecond grouping will still encounter the overflow. If that is happening, you can ask each row to anchor the...