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Checking a Python module version at runtime
...d 'version' attribute, you can inspect the interfaces it contains (classes and methods) and see if they match the interface they expect. Then in the actual code that you're working on, assume that the 3rd party modules have the interface you expect.
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Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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Can I add comments to a pip requirements file?
...ust use #
pip docs:
A line that begins with # is treated as a comment and ignored. Whitespace followed by a # causes the # and the remainder of the line to be treated as a comment.
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How do I flag a method as deprecated in Objective-C 2.0?
I'm part of a team developing a fairly large iPad app and there are many different classes we've created as a result. The trouble is some of the methods are now pretty much obsolete and I don't want simply remove them yet as I know some parts of the overall system use the methods... but there are b...
How to create a simple map using JavaScript/JQuery [duplicate]
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Edit: Out of date answer, ECMAScript 2015 (ES6) standard javascript has a Map implementation, read here for more info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
var map = new Object(); // or var map = {};
map[myKey1] = myObj1;
map[...
Accessing UI (Main) Thread safely in WPF
...e code given above, the code works perfectly when I go into the debug mode and manually do stepovers, but the code crashes when I run the application without debug. I am not sure what to lock here that is causing a problem.
– l46kok
Jul 24 '12 at 6:54
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Sqlite or MySql? How to decide? [closed]
...to run several queries at once, or run a workload that has lots of selects and a few updates, and want them to go smoothly etc.
a lot of memory usage, for example, to buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that MySQL i...
How to get Activity's content view?
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this.getWindow().getDecorView().findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content).getRootView()
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Android SQLite: nullColumnHack parameter in insert/replace methods
The Android SDK has some convenience methods for manipulating data with SQLite. However both the insert and replace methods use some nullColumnHack parameter which usage I don't understand.
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+ operator for array in PHP?
...the PHP Manual on Language Operators
The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored.
So if you do
$array1 ...