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What is a regular expression for a MAC Address?
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The standard (IEEE 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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C++ IDE for Macs [closed]
I teach a C++ course using Visual Studio. One of my students has a Mac and was looking for an IDE to use on his machine. What would be good to recommend?
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Segmentation fault on large array sizes
...ete[] the array. A better solution would be to use std::vector<int> and resize it to 1000000 elements.
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What is path of JDK on Mac ? [duplicate]
Im using Mac only at work and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java.
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getExtractedText on inactive InputConnection warning on android
...rone to problems when the user rapidly alternates between typing something and pressing the button or presses the button when the app is under sufficient load, etc.
Fortunately, I found another way to clear text: Editable.clear(). With this I don't get warnings at all:
if (editText.length() > 0...
What's the best way to add a drop shadow to my UIView
...ill observe a certain lag occurring during events like rotating the device and/or similar. It's an important performance tweak.
Regarding your issue specifically: The important line is view.layer.masksToBounds = NO. It disables the clipping of the view's layer's sublayers that extend further than t...
Is generator.next() visible in Python 3?
...t__(). The reason for this is consistency: special methods like __init__() and __del__() all have double underscores (or "dunder" in the current vernacular), and .next() was one of the few exceptions to that rule. This was fixed in Python 3.0. [*]
But instead of calling g.__next__(), use next(g).
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Adding asterisk to required fields in Bootstrap 3
...="id_tos" name="tos" required="required" type="checkbox" /> I have read and agree to the Terms of Service
</label>
</div>
</div>
</div>
Ok third edit:
CSS back to what is was
.form-group.required .control-label:after {
content:"*";
color:red...
Is there a way to get the git root directory in one command?
...Yes:
git rev-parse --show-toplevel
If you want to replicate the Git command more directly, you can create an alias:
git config --global alias.root 'rev-parse --show-toplevel'
and now git root will function just as hg root.
Note: In a submodule this will display the root directory of the sub...
What is size_t in C?
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From Wikipedia:
According to the 1999 ISO C standard
(C99), size_t is an unsigned integer
type of at least 16 bit (see sections
7.17 and 7.18.3).
size_tis an unsigned data type
defined by several C/C++ standards,
e.g. the C99 ISO/IEC 9899 standard,
that ...