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How to copy a directory using Ant
...irectory.
<target name="devInstall" depends="generateXsl" description="testing">
<copy flatten="true" todir="${test}/WEB-INF/lib" overwrite="${overwrite}">
<fileset refid="buildJars"/>
<fileset dir="lib">
<include name="...
If vs. Switch Speed
...des as values.
This has asymptotic better runtime than lots of chained if tests and is actually faster even for relatively few strings.
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C++ templates that accept only certain types
...pe(std::declval<const T&>().end())>
static std::true_type test(int);
template<typename...>
static std::false_type test(...);
};
template<typename T>
struct has_begin_end : decltype(has_begin_end_impl::test<T>(0)) {};
template<typename T>
class obser...
Two-way encryption: I need to store passwords that can be retrieved
...se. Any idea why? $x = new Encryption(MCRYPT_BlOWFISH, MCRYPT_MODE_CBC); $test = $x->encrypt("test", "a"); echo var_dump($x->decrypt($test, "a"));
– The Wavelength
Dec 14 '12 at 21:52
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Get ID of last inserted document in a mongoDB w/ Java driver
...tln("doc.id before: " + doc.get("_id")); new Mongo("localhost").getDB("test").getCollection("t").insert(doc); System.out.println("doc.id after: " + doc.get("_id")); </code> this code work well for me, tested on new versions mongo 2.2.2, driver 2.10.1
– zlob
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LLVM vs clang on OS X
...of benchmarks I've seen showed GCC to produce slightly faster code in most test cases (though LLVM had a slight edge in a few), while LLVM and Clang gave significantly better compile times. GCC and the GCC/LLVM combos have the advantage that a lot more code has been tested and works on the GCC flavo...
How do you check what version of SQL Server for a database using TSQL?
...
Here's a bit of script I use for testing if a server is 2005 or later
declare @isSqlServer2005 bit
select @isSqlServer2005 = case when CONVERT(int, SUBSTRING(CONVERT(varchar(15), SERVERPROPERTY('productversion')), 0, CHARINDEX('.', CONVERT(varchar(15), SERV...
What is the advantage of GCC's __builtin_expect in if else statements?
... 7: R_X86_64_PC32 time-0x4
b: 48 85 c0 test %rax,%rax
e: 75 0a jne 1a <main+0x1a>
10: bf 00 00 00 00 mov $0x0,%edi
11: R_X86_64_32 .rodata.str1.1
15: e8 00 00 00 00 call...
Remove border from IFrame
...ecated and using the "border" CSS attribute is preferred:
<iframe src="test.html" style="width: 100%; height: 400px; border: 0"></iframe>
Note CSS border property does not achieve the desired results in IE6, 7 or 8.
...
Where should I put the log4j.properties file?
...as mentioned previously in this thread.
Put log4j-xx.jar under WEB-INF\lib
Test if log4j was loaded: add -Dlog4j.debug @ the end of your java options of tomcat
Hope this will help.
rgds
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