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If a folder does not exist, create it
I use a FileUploader control in my application. I want to save a file in a specified folder. Now I want, if this folder does not exist, to first create it, and then save my file to this folder. If the folder already exists, then just save the file in it.
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How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
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Change bundle identifier in Xcode when submitting my first app in IOS
I'm trying to submit my first app in iOS . I have entered iOS Provisioning Portal and I am about to create an app ID.
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back button callback in navigationController in iOS
I have pushed a view onto the navigation controller and when I press the back button it goes to the previous view automatically. I want to do a few things when back button is pressed before popping the view off the stack. Which is the back button callback function?
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How to programmatically display version/build number of target in iOS app?
How can I programmatically get the value of the target version , like in the image below?
6 Answers
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Generate a UUID on iOS from Swift
In my iOS Swift app I want to generate random UUID ( GUID ) strings for use as a table key, and this snippet appears to work:
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Using PowerShell to write a file in UTF-8 without the BOM
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$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines($MyPath, $MyRawString, $Utf8NoBomEncoding)
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Xcode stuck at “Your application is being uploaded”
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As I felt a serious issue on this. I believe this answer might be helpful.
After trying for around 10 to 12 hours to fix this issue and as everything else regarding my project and coding was fine enough, it became a headache for me. But aft...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
What is the syntax for setting multiple file-extensions as searchPattern on Directory.GetFiles() ? For example filtering out files with .aspx and .ascx extensions.
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Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...编译的或官方提供的二进制版本，可以略过此步。
接着下载一份和系统MySQL版本一致的MySQL源代码和HandlerSocket源代码：
mysql-5.1.37.tar.gz
ahiguti-HandlerSocket-Plugin-for-MySQL-1.0.6-76-gf5f7443.tar.gz
shell> tar zxf mysql-5.1.37.tar.gz
shell> tar zx...