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To find whether a column exists in data frame or not
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202
Assuming that the name of your data frame is dat and that your column name to check is "d", you...
What are the mechanics of short string optimization in libc++?
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120
The libc++ basic_string is designed to have a sizeof 3 words on all architectures, where sizeof(...
Debug vs Release in CMake
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answered Oct 11 '11 at 11:07
kb1oookb1ooo
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How to hide one item in an Android Spinner
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To hide an arbitrary item or more than one item I think that you can implement your own adapter ...
How does clipsToBounds work?
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If my superview is a box measuring 10 units on each side, and my subview is 20 units wide, with ...
How to show and update echo on same line
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203
Well I did not read correctly the man echo page for this.
echo had 2 options that could do thi...
Storing Image Data for offline web application (client-side storage database)
...e an offline web application using appcaching. I need to provide it about 10MB - 20MB of data that it will save (client-side) consisting mainly of PNG image files. The operation is as follows:
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How can I safely encode a string in Java to use as a filename?
... len = s.length();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
char ch = s.charAt(i);
if (ch < ' ' || ch >= 0x7F || ch == fileSep || ... // add other illegal chars
|| (ch == '.' && i == 0) // we don't want to collide with "." or ".."!
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Will Dispose() be called in a using statement with a null object?
...called on non-null objects:
http://msdn.microsoft.com/en-us/library/yh598w02.aspx
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How to position one element relative to another with jQuery?
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204
NOTE: This requires jQuery UI (not just jQuery).
You can now use:
$("#my_div").position({
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