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Hash String via SHA-256 in Java
...F_8));
byte[] digest = md.digest();
String hex = String.format("%064x", new BigInteger(1, digest));
System.out.println(hex);
}
}
In the snippet above, digest contains the hashed string and hex contains a hexadecimal ASCII string with left zero padding.
...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name...
PostgreSQL function for last inserted ID
...
84
See the RETURNING clause of the INSERT statement. Basically, the INSERT doubles as a query and ...
Can't install nuget package because of “Failed to initialize the PowerShell host”
...pplied according to the bit version of the PowerShell console, so 32bit or 64 bit. So if you want to install a package in Visual Studio (32 bit version) which requires a specific policy you should change settings of the policy via PowerShell (x86).
The command in PowerShell (as administrator) to se...
What is “missing” in the Visual Studio 2008 Express Editions?
... test framework support
No MFC/ATL support
No support for compiling C++ to 64-bit images (workaround is to install Windows SDK which is free)
NOTE: it is often said that the Express EULA does not permit commercial development - that is not true (Visual Studio Express FAQ Item 7)
...
Using generic std::function objects with member functions in one class
... plasmacel
7,02155 gold badges4040 silver badges8484 bronze badges
answered Sep 28 '11 at 11:32
Alex BAlex B
73.5k3636 gold ba...
TypeError: 'NoneType' object is not iterable in Python
...
84
Explanation of error: 'NoneType' object is not iterable
In python2, NoneType is the type of No...
Types in MySQL: BigInt(20) vs Int(20)
... in their respective number of bytes. That means 232 values in an INT and 264 values in a BIGINT.
The 20 in INT(20) and BIGINT(20) means almost nothing. It's a hint for display width. It has nothing to do with storage, nor the range of values that column will accept.
Practically, it affects onl...
UIView with rounded corners and drop shadow?
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84
Well the problem with it is that when I set corner radius, it sets maskToBounds: YES, whereas the shadow requires clipToBounds: NO (where c...
How can I convert uppercase letters to lowercase in Notepad++
... Ctrl+U for convert back to small letters
– pramodc84
Nov 3 '13 at 11:26
3
CTRL+A is select all...