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Hidden features of C
...all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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Why is argc not a constant?
As Effective C++ Item#3 states "Use const whenever possible", I start thinking "why not make these 'constant' parameters const "?.
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How do I clear all options in a dropdown box?
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edited Feb 11 at 10:03
Tal Z
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Can I get “&&” or “-and” to work in PowerShell?
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In CMD, '&&' means "execute command 1, and if it succeeds, execute command 2". I have used it for things like:
build && run_tests
In PowerShell, the closest thing you can do is:
(build) -and (run_tests)
It has the same logic, but the output text from the c...
Python assigning multiple variables to same value? list behavior
I tried to use multiple assignment as show below to initialize variables, but I got confused by the behavior, I expect to reassign the values list separately, I mean b[0] and c[0] equal 0 as before.
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How would Git handle a SHA-1 collision on a blob?
...-world yet, and may never happen, but let's consider this: say you have a git repository, make a commit, and get very very unlucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle this? Simply fail? Find a way to link th...
How does data binding work in AngularJS?
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AngularJS remembers the value and compares it to a previous value. This is basic dirty-checking. If there is a change in value, then it fires the change event.
The $apply() method, which is what you call when you are transitioning from a non-AngularJS world into an A...
Key hash for Android-Facebook app
...cebook-Android SDK, and I got
the readme.md (text file) in there, in which it is mentioned to generate
the key hash for Android. How do I generate it?
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How do you properly determine the current script directory in Python?
...name(os.path.abspath(__file__))
is indeed the best you're going to get.
It's unusual to be executing a script with exec/execfile; normally you should be using the module infrastructure to load scripts. If you must use these methods, I suggest setting __file__ in the globals you pass to the script...
Could not find default endpoint element
...include the WS configuration settings into the main projects app.config if its a winapp or web.config if its a web app. This is the way to go even with PRISM and WPF/Silverlight.
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