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How to move columns in a MySQL table?
...LTER TABLE Employees MODIFY COLUMN empName VARCHAR(50) AFTER department;
EDIT
Per the comments, you can also do this:
ALTER TABLE Employees CHANGE COLUMN empName empName VARCHAR(50) AFTER department;
Note that the repetition of empName is deliberate. You have to tell MySQL that you want to kee...
What's invokedynamic and how do I use it?
...Indy
Invoke Dynamic (Also known as Indy) was part of JSR 292 intending to enhance the JVM support for Dynamic Type Languages. After its first release in Java 7, The invokedynamic opcode along with its java.lang.invoke luggage is used quite extensively by dynamic JVM-based languages like JRuby.
Alt...
HTTP 1.0 vs 1.1
...ication
Extra new status codes
Chunked transfer encoding
Connection header
Enhanced compression support
Much much more.
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How do I add a new sourceset to Gradle?
...
(!) as it turns out, the single use of sourceSet enhancements without configurations or output results in a make error in idea after initally opening a project. the build dependency (here: test) for the new "module" (here: integrationTest) isn't available upon first compile...
How to implement Enums in Ruby?
...on) or constants (FOO notation).
Symbols are appropriate when you want to enhance readability without littering code with literal strings.
postal_code[:minnesota] = "MN"
postal_code[:new_york] = "NY"
Constants are appropriate when you have an underlying value that is important. Just declare a mo...
What is “entropy and information gain”?
...e next flash will be so the flashes convey no information, no news. Now we repair the bulb but impose a rule that the red bulb may not flash twice in a row. When the lamp flashes red, we know what the next flash will be. If you try to send a bit stream by this channel, you'll find that you must enco...
Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se
...bug my own WCF service running on the localhost. Could you help me, how to repair this?
4 Answers
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Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...们也由一个 crackme 说开去。本文的例子程序你可以到这来下载:
http://www.crackmes.de/users/veneta/crackmes/linux_crackme_v2 。古人云“工欲善其事，必先利其器”，本文中所用到的工具及操作平台罗列如下:
操作平台: gentoo 2004.3 # kernel 2.6...
How can I produce an effect similar to the iOS 7 blur view?
...t yet but I think the effect will be a lot slower on iOS 6, there are some enhancements to iOS 7 that make grabbing the initial screen shot that is used as input to the blur a lot faster.
Direct link: https://developer.apple.com/downloads/download.action?path=wwdc_2013/wwdc_2013_sample_code/ios_uii...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...兴趣的可以试用一下。
准备活动：
（1）安装cmake。
下载地址：http://www.cmake.org/cmake/resources/software.html
根据自己的需要下载相应的包即可，Windows下可以下载zip压缩的绿色版本，还可以下载源代码。
（2）运行cmake的方法。...