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Evaluate empty or null JSTL c tags
How can I validate if a String is null or empty using the c tags of JSTL ?
8 Answers
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Set up adb on Mac OS X
... it up might be useful to some people. adb is the command line tool to install and run android apps on your phone/emulator
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Changing the current working directory in Java?
...t subsequent creations of Files, but not e.g. FileOutputStreams.
The File(String parent, String child) constructor can help if you build up your directory path separately from your file path, allowing easier swapping.
An alternative is to set up a script to run Java from a different directory, or ...
Escape a dollar sign in string interpolation
How do I escape a dollar sign in string interpolation?
1 Answer
1
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ISO time (ISO 8601) in Python
... like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
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C++ performance vs. Java/C#
...cing generic code which calls non-generic code (e.g. a generic parser from string to type T, calling standard library API for types T it recognizes, and making the parser easily extensible by its user) is very easy and very efficient, whereas the equivalent in Java or C# is painful at best to write,...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta.
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raw_input function in Python
...g])), gets input from the user and returns the data input by the user in a string. See the docs for raw_input().
Example:
name = raw_input("What is your name? ")
print "Hello, %s." % name
This differs from input() in that the latter tries to interpret the input given by the user; it is usually ...
How can I create a table with borders in Android?
... android:paddingTop="10dp"
android:text="@string/main_wo_colon"
android:textColor="@color/white"
android:textSize="16sp" />
<LinearLayout
android:layout_width="1dp"
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Regular expression for exact match of a string
...he title of the question is misleading; he's trying to make sure two whole strings are exactly the same. Also, \w matches digits as well as letters, so [\w\d] is redundant.
– Alan Moore
Apr 17 '14 at 2:54
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