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JAXB creating context and marshallers cost
The question is a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller?
8 Answers
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Java HashMap performance optimization / alternative
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As many people pointed out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get...
Laravel requires the Mcrypt PHP extension
...ffer. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your terminal.
In this php.ini file you can enable the extension.
OSX
I have heard of people on OSX running in to probl...
Why does ContentResolver.requestSync not trigger a sync?
...slide 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is never triggered.
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How does C compute sin() and other math functions?
...e that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible and also accurat...
WPF: Setting the Width (and Height) as a Percentage Value
Say I want a TextBlock to have its Width equal to it's Parent container's Width (ie, stretch from side to side) or a percentage of it's Parent Container Width , how can I accomplish this in XAML without specifying absolute values?
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How to resize the AVD emulator (in Eclipse)?
I'm writing my first Android app for a small business that has some Droid phones. I set up an AVD for the phone with the right resolution: 854 pixels high.
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Android soft keyboard covers EditText field
...rol what is visible when the soft keyboard opens? You might want to play with the windowSoftInputMode. See developer docs for more discussion.
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How to Execute a Python File in Notepad ++?
...PATH)"
Now, instead of pressing run, press save to create a shortcut for it.
Notes
If you have Python 3.1: type in Python31 instead of Python26
Add -i if you want the command line window to stay open after the script has finished
Second option
Use a batch script that runs the Python script...
Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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