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Define preprocessor macro through CMake?
How do I define a preprocessor variable through CMake?
3 Answers
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Why does PHP consider 0 to be equal to a string?
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You are doing == which sorts out the types for you.
0 is an int, so in this case it is going to cast 'e' to an int. Which is not parsable as one and will become 0. A string '0e' would become 0 and would match!
Use ===
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Stretch and scale a CSS image in the background - with CSS only
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Cover crops the image if the aspect ratio doesn't match, so it's not a good general solution.
– mahemoff
Jun 21 '13 at 14:47
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HTML table headers always visible at top of window when viewing a large table
...weak" an HTML table's presentation to add a single feature: when scrolling down through the page so that the table is on the screen but the header rows are off-screen, I would like the headers to remain visible at the top of the viewing area.
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If Python is interpreted, what are .pyc files?
...wever, when I look at my Python source code I see .pyc files, which Windows identifies as "Compiled Python Files".
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Persistence unit as RESOURCE_LOCAL or JTA?
... RESOURCE_LOCAL is fine. This would use basic JDBC-level transactions. The downside is that the transaction is local to the JPA persistence unit, so if you want a transaction that spans multiple persistence units (or other databases), then RESOURCE_LOCAL may not be good enough.
JTA is also used for...
Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this...
ExpandableListView - hide indicator for groups with no children
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Tested and don't works. This simple hide all indicators either has children or not.
– frusso
Feb 14 '15 at 21:11
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Get string character by index - Java
....out.println(charAtZero); // Prints f
For more information, see the Java documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:
String text =...
How to get names of classes inside a jar file?
... and I need to get the name of all classes inside this JAR file. How can I do that?
12 Answers
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