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How to delete a file after checking whether it exists

How can I delete a file in C# e.g. C:\test.txt , although apply the same kind of method like in batch files e.g. 10 Answer...
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How to have Emacs auto-refresh all buffers when files have changed on disk?

I have a non-emacs global search and replace function that causes my disk files to become more up-to-date than my emacs buffers (en masse). Is there any way to tell emacs to refresh all the buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file? ...
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How to delete files/subfolders in a specific directory at the command prompt in Windows

... You can use this shell script to clean up the folder and files within C:\Temp source: del /q "C:\Temp\*" FOR /D %%p IN ("C:\Temp\*.*") DO rmdir "%%p" /s /q Create a batch file (say, delete.bat) containing the above command. Go to the location where the delete.bat file is located...
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C# - How to get Program Files (x86) on Windows 64 bit

... The function below will return the x86 Program Files directory in all of these three Windows configurations: 32 bit Windows 32 bit program running on 64 bit Windows 64 bit program running on 64 bit windows   static string ProgramFilesx86() { if( 8 == IntPtr.Size...
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IntelliJ: Viewing diff of all changed files between local and a git commit/branch

..., click on Show Diff with Working Tree Next a window will pop up. Select Files and press cmd + d Another window which shows diff. You can perform many different types of diff. Use cmd + shift + ] and cmd + shift + [ to shift between files. Diff Tip: IntelliJ provides advanced diff features. Y...
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How to add a changed file to an older (not last) commit in Git

...mitted them step by step, but I just realized I've forgot to add a changed file some commits ago. 4 Answers ...
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How to find unused images in an Xcode project?

...ne a one-line to find unused images in an Xcode project? (Assuming all the files are referenced by name in code or the project files - no code generated file names.) ...
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How do I save a stream to a file in C#?

...dor in Jon Skeet's answer, streams have a CopyTo method since .NET 4. var fileStream = File.Create("C:\\Path\\To\\File"); myOtherObject.InputStream.Seek(0, SeekOrigin.Begin); myOtherObject.InputStream.CopyTo(fileStream); fileStream.Close(); Or with the using syntax: using (var fileStream = File....
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How to convert an image to base64 encoding?

...yfolder/myimage.png'; $type = pathinfo($path, PATHINFO_EXTENSION); $data = file_get_contents($path); $base64 = 'data:image/' . $type . ';base64,' . base64_encode($data); share | improve this answer...
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Include CSS,javascript file in Yii Framework

How to include a Javascript or CSS file in Yii Framework? 18 Answers 18 ...