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Why doesn't the JVM cache JIT compiled code?
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Without resorting to cut'n'paste of the link that @MYYN posted, I suspect this is because the optimisations that the JVM performs are not static, but rather dynamic, based on the data patterns as well as code patterns. It's li...
Check if a value exists in ArrayList
How can I check if a value that is written in scanner exists in an ArrayList ?
7 Answers
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How to reset AUTO_INCREMENT in MySQL?
How can I reset the AUTO_INCREMENT of a field?
I want it to start counting from 1 again.
24 Answers
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Bootstrap with jQuery Validation Plugin
I am trying to add validation to my form with jQuery Validation Plugin, but I'm having a problem where the plugin puts the error messages when I'm using input groups.
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Remove stubborn underline from link
I am attempting to have a link show up in white, without an underline. The text color shows up correctly as white, but the blue underline is stubbornly persisting. I tried text-decoration: none; and text-decoration: none !important; in the CSS to remove the link underline. Neither worked.
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Set the layout weight of a TextView programmatically
...Row objects and add them to a TableLayout .
The TableRow objects has 2 items, a TextView and a CheckBox . The TextView items need to have their layout weight set to 1 to push the CheckBox items to the far right.
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Reusing a PreparedStatement multiple times
in the case of using PreparedStatement with a single common connection without any pool, can I recreate an instance for every dml/sql operation mantaining the power of prepared statements?
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Generate 'n' unique random numbers within a range [duplicate]
I know how to generate a random number within a range in Python.
4 Answers
4
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How can I check if an argument is defined when starting/calling a batch file?
...or in the usage echo to escape the greater-than and less-than signs. In addition, the exit needs a /B argument otherwise CMD.exe will quit.
@echo off
if [%1]==[] goto usage
@echo This should not execute
@echo Done.
goto :eof
:usage
@echo Usage: %0 ^<EnvironmentName^>
exit /B 1
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Convert JSON to Map
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I hope you were joking about writing your own parser. :-)
For such a simple mapping, most tools from http://json.org (section java) would work.
For one of them (Jackson https://github.com/FasterXML/jackson-databind/#5-minute-tutorial-streaming-parser-gener...