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Performance of Java matrix math libraries? [closed]
...fat jar" with ATLAS and JNI libraries for Windows, Linux, Mac OS X, 32 and 64 bit (except for Windows). This way you will get the native performance just by adding the jar file to your classpath. Check it out at http://jblas.org!
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How do I get the coordinates of a mouse click on a canvas element?
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@JulianMann Thanks for the info. I've updated this answer based on more current support. Looks like you can get away with offsetX/Y almost universally now.
– mafafu
Jul 6 '16 at 18:47
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Emacs in Windows
...Brian Carlton
6,93655 gold badges3434 silver badges4646 bronze badges
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...ds FROM table WHERE id = ".(INT) $_GET['id'];
Works well, even better on 64 bit systems. Beware of your systems limitations on addressing large numbers though, but for database ids this works great 99% of the time.
You should be using a single function/method for cleaning your values as well. Eve...
ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...数(整数值)
将一个32位整数添加到字节数组中。
添加64位整数(整数值)
将一个64位整数添加到字节数组中。
添加单精度浮点数(浮点数值)
将一个单精度浮点数添加到字节数组中。
添加字符串(字符串)
将字符串转换为...
Version of Apache installed on a Debian machine
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Worked fine on Red Hat Enterprise Linux 6 (64-bit)
– DemiSheep
Jan 26 '16 at 16:49
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Where can I find the Java SDK in Linux after installing it?
...ib/jvm/java-8-oracle/bin/javac. That bin folder is NOT a JDK. General acid-base test to see if its a JDK is to see if the current $JAVA_HOME contains a path of lib/tools.jar . In the cast of /usr/lib/jvm/java-8-oracle/bin that is not true, therefore it is not a JDK.
– Zombies
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...uing a plain textual query using emulated prepared statements. On many database systems the query plan for a prepare() is cached as well and may be shared with multiple connections, but I don't think MySQL does this. So if you do not reuse your prepared statement object for multiple queries your ove...
Convert a String representation of a Dictionary to a dictionary?
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i get this error I am on python 2.6 (x86) on windows 7 x64 File "D:\Python26\lib\ast.py", line 48, in literal_eval node_or_string = parse(node_or_string, mode='eval') File "D:\Python26\lib\ast.py", line 36, in parse return compile(expr, filename, mode, P...
Fixed width buttons with Bootstrap
...rently if I have 2 buttons, "Save" and "Download", the button size changes based on content.
12 Answers
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