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Naming conventions for abstract classes
...figuration.ConfigurationValidatorBase , System.Windows.Forms.ButtonBase , and, of course, System.Collections.CollectionBase .
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What is the best algorithm for overriding GetHashCode?
...he implementation given in Josh Bloch's fabulous Effective Java. It's fast and creates a pretty good hash which is unlikely to cause collisions. Pick two different prime numbers, e.g. 17 and 23, and do:
public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
i...
How to migrate back from initial migration in Django 1.7?
I created a new app with some models and now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where ...
Search in all files in a project in Sublime Text 3
...tabs.
The keyboard shortcut is Ctrl⇧+F on non-Mac (regular) keyboards,
and ⌘⇧+F on a Mac.
You'll be presented with three boxes: Find, Where and Replace. It's a regular Find/Find-replace search where Where specifies a file or directory to search. I for example often use a file name or . for...
How to set the maximum memory usage for JVM?
...y> -Xmx<memory>. Use M or G after the numbers for indicating Megs and Gigs of bytes respectively. -Xms indicates the minimum and -Xmx the maximum.
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presentModalViewController:Animated is deprecated in ios6
... an image picker. But when I run it in the simulator, I have a memory leak and I get a warning about presentModalViewcontroller:animated being deprecated in iOS6. I also get dismissModalViewController:animated deprecated. I'm using the SDK 6.1.
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Way to read first few lines for pandas dataframe
...e lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the full thing and take the head of it).
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WPF Bind to itself
I've got a WPF Window , and somewhere there is a ListView where I bind a List<string> to.
1 Answer
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Disable Interpolation when Scaling a
...ords, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concerned with how the browser draws lines; I care about how the browser renders the canvas element itself when it is scaled up.
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Make an existing Git branch track a remote branch?
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Given a branch foo and a remote upstream:
As of Git 1.8.0:
git branch -u upstream/foo
Or, if local branch foo is not the current branch:
git branch -u upstream/foo foo
Or, if you like to type longer commands, these are equivalent to the above...