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What do linkers do?
...
164
To understand linkers, it helps to first understand what happens "under the hood" when you conv...
Internet Explorer 11 detection
... added the machine bit space :
ie11 :
"Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; rv:11.0) like Gecko"
ie12 :
"Mozilla/5.0 (Windows NT 6.3; Win64; x64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; ....
How can I install pip on Windows?
...Python packages. He builds installers for all Python versions, both 32 and 64 bit. You need to:
Install setuptools
Install pip
For me, this installed Pip at C:\Python27\Scripts\pip.exe. Find pip.exe on your computer, then add its folder (for example, C:\Python27\Scripts) to your path (Start / Ed...
How to get current time in milliseconds in PHP?
...
Short answer:
64 bits platforms only!
function milliseconds() {
$mt = explode(' ', microtime());
return ((int)$mt[1]) * 1000 + ((int)round($mt[0] * 1000));
}
[ If you are running 64 bits PHP then the constant PHP_INT_SIZE equals t...
Purpose of memory alignment
...eviously is alignment on cache lines which are (for example, on some CPUs) 64B.
For more info on how much performance can be gained by leveraging caches, take a look at Gallery of Processor Cache Effects; from this question on cache-line sizes
Understanding of cache lines can be important for c...
eclipse won't start - no java virtual machine was found
...rgeAjay George
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1
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Unit testing code with a file system dependency
...Rosenfield
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27
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Generate a heatmap in MatPlotLib using a scatter data set
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x = np.random.randn(1000)
y = np.random.randn(1000)
sigmas = [0, 16, 32, 64]
for ax, s in zip(axs.flatten(), sigmas):
if s == 0:
ax.plot(x, y, 'k.', markersize=5)
ax.set_title("Scatter plot")
else:
img, extent = myplot(x, y, s)
ax.imshow(img, extent=extent,...
Python: print a generator expression?
...; (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is sometimes called a generator comprehension, although I think the official name still is generator expression, there isn't really any difference, the parenthesis are only there to make the syntax valid. You do...
PowerShell says “execution of scripts is disabled on this system.”
...
If you're using Windows Server 2008 R2 then there is an x64 and x86 version of PowerShell both of which have to have their execution policies set. Did you set the execution policy on both hosts?
As an Administrator, you can set the execution policy by typing this into your PowerSh...