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Adding n hours to a date in Java?
...oes exactly what Nikita's answer does, but this is very simple and easy to read. Plus, if you already use Apache Commons / Lang... why not?
– Matt
Feb 13 '18 at 16:01
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Binding to static property
...leton:
public class VersionManager : DependencyObject {
public static readonly DependencyProperty FilterStringProperty =
DependencyProperty.Register( "FilterString", typeof( string ),
typeof( VersionManager ), new UIPropertyMetadata( "no version!" ) );
public string FilterSt...
find: missing argument to -exec
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That's about the best description i've read on -exec. It's extremely powerful but I always find it difficult to get the right syntax for it. This made a few things much clearer. Particularly wrapping the command in the separate shell. Nice. Thanks.
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Getting a slice of keys from a map
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@VinayPai it is okay to read from a map from multiple goroutines but not write
– darethas
Dec 1 '17 at 2:38
1
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Using String Format to show decimal up to 2 places or simple integer
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@BrainSlugs83: depending on the current thread's CurrentCulture, decimal separator might not be .. Unless CultureInfo.InvariantCulture is used with string.Format, you would have to check the value of CultureInfo.NumberFormat.NumberDecimalSeparator, and that would be ...
MySQL select 10 random rows from 600K rows fast
... past a certain point because MySQL has to actually sort ALL records after reading each one; once that operation hits the hard disc you can feel the difference.
– Ja͢ck
Apr 10 '13 at 7:48
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AngularJs event to call after content is loaded
I have a function which I want to call after page content is loaded. I read about $viewContentLoaded and it doesn't work for me. I am looking for something like
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is vs typeof
...j.GetType() == typeof(ClassA)) {}, is faster, for those that don't want to read the article.
(Be aware that they don't do the same thing)
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follo...
Checking if an Android application is running in the background
...n ancestor for your Activities if you'd like to, but if your activity is already extended from MapActivity/ListActivity etc. you still need to write the following by hand):
@Override
protected void onResume() {
super.onResume();
MyApplication.activityResumed();
}
@Override
protected void onPa...
How to prettyprint a JSON file?
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The json module already implements some basic pretty printing with the indent parameter that specifies how many spaces to indent by:
>>> import json
>>>
>>> your_json = '["foo", {"bar":["baz", null, 1.0, 2]}]'
>&...