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Check for column name in a SqlDataReader object
... is RELATIVELY expensive to other operators, but negligible in a connected application. Skeet measured 40-118 exceptions per ms depending on stack depth all the way back in 2006. stackoverflow.com/a/891230/852208. Further without testing, it's possible that this code is actually slower with it's ...
Best branching strategy when doing continuous integration?
...even absolutely required, if you need to maintain several versions of your app.
Feature branches also are very convenient, notably if one developer needs to work on a huge change, while others still release new versions.
So to me using both mechanisms is a very good strategy.
Interesting link fro...
How big should a UIBarButtonItem image be?
...nd the HIG should definitely be in your bookmarks if you're working on iOS apps!)
That would translate to images 25px square for older devices like iPad 2 / Mini, 50px square for most current devices like iPhone 8 or iPad, and 75px square for Retina HD devices (the iPhone 6/7/8 Plus, or iPhone X). ...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
...idn't show them, which was causing problems with parsing config file of my app... I discovered it accidentally in vi.
2 Ans...
How do I update zsh to the latest version?
I recently switched to zsh on my Terminal.app on my OS X machine successfully. The version number of zsh is 4.3.11.
6 Answe...
Using Caps Lock as Esc in Mac OS X
...load Seil and install it:
3) After the installation you will have a new Application installed ( Mountain Lion and newer ) and if you are on an older OS you may have to check for a new System Preferences pane:
4) Check the box that says "Change Caps Lock" and enter "53" as the code for the esc...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...file”，这个文件是GNU的make识别的。有另外一些make只对全小写的“makefile”文件名敏感，但是基本上来说，大多数的make都支持“makefile”和“Makefile”这两种默认文件名。
include<filename>filename可以是当前操作系统Shell的...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...file”，这个文件是GNU的make识别的。有另外一些make只对全小写的“makefile”文件名敏感，但是基本上来说，大多数的make都支持“makefile”和“Makefile”这两种默认文件名。
include<filename>filename可以是当前操作系统Shell的...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...file”，这个文件是GNU的make识别的。有另外一些make只对全小写的“makefile”文件名敏感，但是基本上来说，大多数的make都支持“makefile”和“Makefile”这两种默认文件名。
include<filename>filename可以是当前操作系统Shell的...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...file”，这个文件是GNU的make识别的。有另外一些make只对全小写的“makefile”文件名敏感，但是基本上来说，大多数的make都支持“makefile”和“Makefile”这两种默认文件名。
include<filename>filename可以是当前操作系统Shell的...