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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...
How to install an APK file on an Android phone?
...have a simple "Hello Android" application on my computer ( Eclipse environment), and I have built an APK file. How do I transfer the APK file to my Android phone for testing?
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cURL equivalent in Node.js?
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See the documentation for the HTTP module for a full example:
https://nodejs.org/api/http.html#http_http_request_options_callback
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SQL SELECT WHERE field contains words
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Rather slow, but working method to include any of words:
SELECT * FROM mytable
WHERE column1 LIKE '%word1%'
OR column1 LIKE '%word2%'
OR column1 LIKE '%word3%'
If you need all words to be present, use this:
SELECT * FROM mytable
WHERE colum...
How to decompile a whole Jar file? [closed]
...r file instead of a single class? I have a problem with sub classes like name$1.class name$2.class name.class
9 Answers
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Python: Making a beep noise
I'm trying to get the program to give me a beeping noise. I'm on a windows machine. I've looked at http://docs.python.org/library/winsound.html
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Bootstrap Carousel image doesn't align properly
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this worked for me! i've tried vekozlov method but didn't work, this works! thanks alot
– ah-shiang han
Jan 17 '14 at 11:44
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How can I detect when an Android application is running in the emulator?
...r example , using 10.0.2.2 instead of a public URL to run against a development server automatically.) What is the best way to detect when an Android application is running in the emulator?
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How to remove an item for a OR'd enum?
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You need to & it with the ~ (complement) of 'BLUE'.
The complement operator essentially reverses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one o...
What is the correct syntax of ng-include?
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yes, this bit me the other day. Somewhat related answer stackoverflow.com/questions/13811948/…
– jaime
Dec 19 '12 at 0:16
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