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What are the differences between the different saving methods in Hibernate?
.... I’ll be adding new functionality to a complex application. All my unit tests work fine. Then in testing the UI, trying to save an object, I start getting an exception with the message “a different object with the same identifier value was already associated with the session.” Here’s some e...
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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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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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...
The simplest way to comma-delimit a list?
...ry loop, but I bet it's more efficient than an if. Most solutions repeat a test we know won't be true - though inefficient, they're probably the clearest. Thanks for the link!
– 13ren
Mar 21 '09 at 12:03
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What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in
...k on the blue sources folder icon (for adding sources) > Click on Green Test Sources folder ( to add Unit test folders).
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JSLint says “missing radix parameter”
...rmance differences between parseInt and Number. Here is an old performance test.
– Josh Unger
Jan 18 '19 at 0:19
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