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Strangest language feature
...ng, because you can be sure nobody will -ever- find out what ??! will mean from Google without knowing the name already.
– zaratustra
Jan 4 '10 at 4:47
56
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What's the difference between the data structure Tree and Graph?
...a map, for example. If you consider each city as a node, it can be reached from multiple points. The points which lead to this node are called predecessors and the points which this node will lead to are called successors.
electrical circuit diagram, the plan of a house, computer network or a river...
How to delete a localStorage item when the browser window/tab is closed?
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Why can't we use the delete operator, exactly? From my tests, it seems that delete localStorage.key works just as fine as localStorage.removeItem(key). It seems clearer to me to use delete when I set my variables like localStorage.key = 1 rather than localStorage.setItem(...
How do I set cell value to Date and apply default Excel date format?
...ond cell as a date (and time). It is important to create a new cell style from the workbook otherwise you can end up modifying the built in style and effecting not only this cell but other cells.
– CGK
Sep 24 '13 at 13:27
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requestFeature() must be called before adding content
...ntext) {
super(context);
LayoutInflater li = LayoutInflater.from(context);
content = li.inflate(R.layout.custom_view, null);
setUpAdditionalStuff(); // do more view cleanup
setView(content);
}
private void setUpAdditionalStuff() {
// ...
...
Issue pushing new code in Github
...u could then do a "force push" to skip checks that git does to prevent you from overwriting any existing, or differing, work on remote. Use with extreme care!
just change the
git push **-u** origin master
change it like this!
git push -f origin master
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How to use clock() in C++
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From what I can see here cplusplus.com/reference/ctime/clock, you don't need use the "std::" notation. Just use "clock()"
– gromit190
Jan 28 '16 at 18:23
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Error installing mysql2: Failed to build gem native extension
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For windows try the Ticked answer from stackoverflow.com/questions/19014117/…
– nitigyan
Jul 18 '14 at 10:28
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Concatenating multiple text files into a single file in Bash
... Windows shell copy to concatenate files.
C:\> copy *.txt outputfile
From the help:
To append files, specify a single file for destination, but multiple files for source (using wildcards or file1+file2+file3 format).
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...or displaying the image.
App Inventor lets you get images (for example, from the Web) and import these into your app as Media. When you use the images, and App Inventor will rescale them to fit the designated screen area in your app. Sometimes the image to be displayed will be larger than the...