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What is the purpose of flush() in Java streams?
... Note close() calls flush(), so calling both is redundant when using FileWriter without buffer.
– Yossarian42
Dec 10 '19 at 22:54
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Set the value of a variable with the result of a command in a Windows batch file
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To do what Jesse describes, from a Windows batch file you will need to write:
for /f "delims=" %%a in ('ver') do @set foobar=%%a
But, I instead suggest using Cygwin on your Windows system if you are used to Unix-type scripting.
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Maven – Always download sources and javadocs
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Open your settings.xml file ~/.m2/settings.xml (create it if it doesn't exist). Add a section with the properties added. Then make sure the activeProfiles includes the new profile.
<settings>
<!-- ... other settings here ... -->
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How to view file diff in git before commit
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If you want to see what you haven't git added yet:
git diff myfile.txt
or if you want to see already added changes
git diff --cached myfile.txt
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
... image that i had changed to .png without proper conversion. removing that file solved the problem. odd though..
– DeathRs
May 16 '16 at 3:02
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How do I use CMake?
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CMake takes a CMakeList file, and outputs it to a platform-specific build format, e.g. a Makefile, Visual Studio, etc.
You run CMake on the CMakeList first. If you're on Visual Studio, you can then load the output project/solution.
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Why always ./configure; make; make install; as 3 separate steps?
..., because every distro thinks it's better to install certain libraries and files to certain directories. It is said to run ./configure, but in fact you should change it always.
For example have a look at the Arch Linux packages site. Here you'll see that any package uses a different configure para...
How do I make a reference to a figure in markdown using pandoc?
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Does all this latex syntax go straight into your markdown file?
– spinup
Sep 20 '16 at 19:46
@spinup ...
How do I purge a linux mail box with huge number of emails? [closed]
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You can simply delete the /var/mail/username file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
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Windows equivalent of the 'tail' command
... to simulate the *nix tail command on the Windows command line? I have a file and I want a way to snip off the first n lines of text. For example:
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