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Android encryption / decryption using AES [closed]
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If you are encrypting a text file, then the following test/sample may be useful. It does the following:
Create a byte stream,
wraps that with AES encryption,
wrap it next with text processing
and lastly buffers it
// AESdemo
public class AESdemo extends Activity {
boo...
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="...
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...
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...
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...
How do you check what version of SQL Server for a database using TSQL?
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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...
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...