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Convert two lists into a dictionary
... elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Lenski
Aug 28 '19 at 16:41
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How to leave/exit/deactivate a Python virtualenv
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Usually, activating a virtualenv gives you a shell function named:
$ deactivate
which puts things back to normal.
I have just looked specifically again at the code for virtualenvwrapper, and, yes, it too supports deactivate ...
Applying a git post-commit hook to all current and future repos
...hook and it works correctly. However, I want to add this hook to apply to all current (and future) git repositories I am working on. I tried adding the hook to my ~/.git/hooks/ instead of in the hooks directory in the project directory, however, this did not seem to work.
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Android Studio doesn't see device
...ou toggle what the project builds to. If you're importing a project it actually defaults to Emulator, not sure why. You can also select "Open Select Deployment Target Dialog" to list both connected as well as emulated devices.
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Unescape HTML entities in Javascript?
...ty vulnerability.
The following snippet is the old answer's code with a small modification: using a textarea instead of a div reduces the XSS vulnerability, but it is still problematic in IE9 and Firefox.
function htmlDecode(input){
var e = document.createElement('textarea');
e.innerHTML = inp...
Android SharedPreference security
... within the app's data directory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same as on any Linux/Unix system.
Anyone with root level access to ...
Is it possible to disable the network in iOS Simulator?
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Network Link Conditioner allows you to specify a percentage of packets to be dropped, but as far as I've seen there's unfortunately no way to disable all connectivity.
– modocache
Apr 9 '12 at 8:57
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Default value of BOOL
...nce variables of Objective-C objects are always set to 0 (or nil) when you allocate an object" and I cannot find any other, clearer, reference, so it's all a bit contradictory to me.
– Kristof Van Landschoot
Sep 9 '13 at 8:47
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Difference between string and char[] types in C++
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A char array is just that - an array of characters:
If allocated on the stack (like in your example), it will always occupy eg. 256 bytes no matter how long the text it contains is
If allocated on the heap (using malloc() or new char[]) you're responsible for releasing the memory...
What is difference between Errors and Exceptions? [duplicate]
...ong with RuntimeException & their subclasses are unchecked exceptions. All other Exception classes are checked exceptions.
Checked exceptions are generally those from which a program can recover & it might be a good idea to recover from such exceptions programmatically. Examples include Fil...