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Which comment style should I use in batch files?
I've been writing some batch files, and I ran into this user guide , which has been quite informative. One thing it showed me was that lines can be commented not just with REM , but also with :: . It says:
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eval command in Bash and its typical uses
...words) and then treats each word as a wildcard pattern. For example:
$ ls
file1 file2 otherfile
$ set -- 'f* *'
$ echo "$1"
f* *
$ echo $1
file1 file2 file1 file2 otherfile
$ n=1
$ eval echo \${$n}
file1 file2 file1 file2 otherfile
$eval echo \"\${$n}\"
f* *
$ echo "${!n}"
f* *
eval is not used v...
How can I make an “are you sure” prompt in a Windows batchfile?
I have a batch file that automates copying a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
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Recursively remove files
Does anyone have a solution to remove those pesky ._ and .DS_Store files that one gets after moving files from a Mac to A Linux Server?
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Bash syntax error: unexpected end of file
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I think file.sh is with CRLF line terminators.
run
dos2unix file.sh
then the problem will be fixed.
You can install dos2unix in ubuntu with this:
sudo apt-get install dos2unix
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“new” keyword in Scala
...cause it is spec'ed that a companion object has to be declared in the same file as its companion class. Because the companion "property" exists only in Scala and not on Bytecode-level scalac has to check the Scala code and not the Bytecode to be sure that the spec is followed.
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Renaming projects in Xcode 4
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Or click once and hit Return — same as renaming files in the Finder. :)
– a paid nerd
Dec 2 '11 at 20:47
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How to import a Python class that is in a directory above?
I want to inherit from a class in a file that lies in a directory above the current one.
7 Answers
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NodeJS: Saving a base64-encoded image to disk
... the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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How to change the ROOT application?
...the content of your Tomcat webapps folder (rm -fr *). Then rename your WAR file to ROOT.war, and finally start your Tomcat from the bin directory (sh startup.sh).
Leave your war file in $CATALINA_BASE/webapps under its original name. Turn off
autoDeploy and deployOnStartup in your Host element in t...