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Fixing Sublime Text 2 line endings?
...rminate each line in new files.
// Valid values are 'system' (whatever the OS uses), 'windows' (CRLF) and
// 'unix' (LF only).
You are setting
"default_line_ending": "LF",
You should set
"default_line_ending": "unix",
s...
The command rbenv install is missing
...ithub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
su...
编程基础与事件状态 06：把任务与记录保存下来 · App Inventor 2 中文网
...中的真实积木检查。请在伴侣或安装的 APK 中按相同场景操作，记录实际结果；自动检查通过不代表手机已实测。
拒绝空任务。
非数字、非正数、上限、小数拒绝。
2分钟等于120秒。
延迟回调按实际时间计算。
运行中...
java get file size efficiently
...he code below:
For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of:
LENGTH sum: 10626, per Iteration: 10626.0
CHANNEL sum: 5535, per Itera...
Comparing date part only without comparing time in JavaScript
...or of the date object. For example, change the timezone on your computer's OS to East Coast (US) time. Open the console of your browser and type var date2 = new Date(2011,8,20). Now change the OS's time zone to Pacific Time (US). In the same browser console type date2.toDateString() and you'll get b...
Microsecond timing in JavaScript
Are there any timing functions in JavaScript with microsecond resolution?
4 Answers
4
...
Why and not taking font-family and font-size from body?
...
By default, browsers render most form elements (textareas, text boxes, buttons, etc) using OS controls or browser controls. So most of the font properties are taken from the theme the OS is currently using.
You'll have to target the form elements themse...
Proper use of beginBackgroundTaskWithExpirationHandler
...
The accepted answer is very helpful and should be fine in most cases, however two things bothered me about it:
As a number of people have noted, storing the task identifier as a property means that it can be overwritten if the method is called multiple times, leading to a task that...
二维码生成使用指导 · App Inventor 2 中文网
...器配合
常见问题
平台说明
完整 .aia 源码与操作指导
二维码生成
二维码生成把一段文字编码成二维码，直接画在指定组件（布局、图像等）的背景上，不需要联网。
文字可以是网...