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Programmatically find the number of cores on a machine
...ne, if a system is capable of turning some off they might not be counted. Calling sysconf with "_SC_NPROCESSORS_CONF" will return the total CPUs configured.
– Chris S
Apr 23 '11 at 18:43
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How to align absolutely positioned element to center?
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All you have to do is,
make sure your parent DIV has position:relative
and the element you want center, set it a height and width. use the following CSS
.layer {
width: 600px; height: 500px;
display: block;
pos...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...iGetClassDevs(&CLSID_DeviceInstance, NULL, NULL, DIGCF_PRESENT); //getting all devices with a removable disk guid
if ( INVALID_HANDLE_VALUE == hDevInfo )
{
return devInfos;//exit if there are no devices
}
try
{
st...
“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
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I found my problem. The issue was that my integers were actually type numpy.int64.
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What is the meaning of “POSIX”?
... and I read it every time I encounter the term. The fact is that I never really understood what it is.
14 Answers
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Suppress warning messages using mysql from within Terminal, but password written in bash script
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Remember that the --login-path has to come before all other arguments. I was trying mysqldump --tables --login-path=local and getting the error unknown variable 'login-path=local'.
– Tulio
May 3 '14 at 22:33
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Is there a limit to the length of HTML attributes?
... element's attribute specification list (which should be the total size of all attributes for that element). The note above mentions that fixed limits should be avoided, however, so it's likely that there is no real limit other than available memory in most implementations.
HTML 5
HTML 5 seems to...
What is the maximum value for an int32?
...bout 1 billion. One of the 32 bits is used for sign, so the max value is really only 2^31, which is about twice the amount you get for 2^(3*10): 2 billion.
– 16807
Dec 3 '13 at 22:24
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How does this checkbox recaptcha work and how can I use it?
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Excerpt from the email: We expect to move all existing reCAPTCHA sites to the new API in 2015.
– Timothy Zorn
Sep 11 '14 at 3:29
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jQuery: serialize() form and other parameters
...onment, then none of these answers should be used. The form should contain all information (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent.
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