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What are all the common ways to read a file in Ruby?
... This is hardly idiomatic Ruby. Use foreach instead of open and dispense with the each_line block.
– the Tin Man
Jul 24 '14 at 18:59
7
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iPhone: How to get current milliseconds?
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I've been using this method for a while and came to realise it can return an earlier value when you call it after couple of miliseconds (e.g. call it consecutively and you might not end up with an increasing sequence)
– Ege Akpinar
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In Windows cmd, how do I prompt for user input and use the result in another command?
I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands.
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
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Adding an identity to an existing column
I need to change the primary key of a table to an identity column, and there's already a number of rows in table.
19 Answe...
Automating “enter” keypresses for bash script generating ssh keys
...de a "yes" answer to whatever a program might prompt for). yes is shorter, and should ssh-keygen ever add a question, that will automatically be answered in too. :)
– zrajm
Apr 24 '15 at 11:08
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iPhone UITextField - Change placeholder text color
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Easy and pain-free, could be an easy alternative for some.
_placeholderLabel.textColor
Not suggested for production, Apple may reject your submission.
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AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
1、byte[] 类型（字节数组）的字段：App Inventor 无法直接处理字节数组，但它们可以作为扩展之间的通用 Object 类型变量进行交换。
MQTT拓展中的字节数组的处理方式就是这种，直接转换成byte[]：
@SimpleFunction(description = "Publishe...
“File not found” when running new LibGDX project
...tion will fail the first time. Open the Run Configuration you just created and set the working directory to the android/assets/ directory!
link your desktop project to android assets folder?
Go to Run => Run Configurations.. => choose DesktopLauncher, Arguments Tab => Working Directory ...
How to upgrade PowerShell version from 2.0 to 3.0
The OS that I am using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
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