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How does the vim “write with sudo” trick work?
... the place of % as your substitution range.)
:w isn't updating your file
One confusing part of this trick is that you might think :w is modifying your file, but it isn't. If you opened and modified file1.txt, then ran :w file2.txt, it would be a "save as"; file1.txt wouldn't be modified, but the c...
How to get first record in each group using Linq
...ent syntax. The overloads for GroupBy appear to give you a lot of power - one to add to the long list of learning!
– rogersillito
Jul 3 '14 at 12:05
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Counting array elements in Python [duplicate]
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This only works for a flat, one dimensional list or array, but print len([[0, 0], [0, 0]]) comes out as 2, as does len(array([[0, 0], [0, 0]])).
– EL_DON
Jan 19 '18 at 22:49
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select count(*) from table of mysql in php
...o mysql_result(mysql_query("SELECT count(*) from Students;"),0); is saving one unnecessary variable
– Max Muster
Jan 8 '16 at 18:35
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How to present a simple alert message in java?
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Nothing wrong with verbosity. In fact, I consider that one of its strengths.
– mre
Feb 2 '12 at 20:32
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
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The process of laying out the components fires the selection listener. You'd therefore have to add the listener after the layout has been done. I have been unable to find a suitable, straightforward place to do this as the layout seems to happen at some poi...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
...ure questions, Objective-C is the language itself; the library of objects (one of them at least) is Cocoa.)
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simulate background-size:cover on or
... This doesn't scale down a video at all (I didn't try scaling one up), which causes numerous problems if the browser window is small, and the video is large. So basically it only takes care of the bleed part of the background-size: cover, not the scaling part.
– Ke...
How to dynamically build a JSON object with Python?
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given an object can one transform the object into JSON or a dictionary somehow automatically?
– Charlie Parker
Mar 26 '19 at 18:15
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How to insert element as a first child?
...children, if the parent container contains different children elements and one wants to insert before a specific group of child nodes, this will not work.
– Aurovrata
Nov 7 '18 at 3:36
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