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Test if a command outputs an empty string
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Previously, the question asked how to check whether there are files in a directory. The following code achieves that, but see rsp's answer for a better solution.
Empty output
Commands don’t return values – they output them. You can capture this output by using command substitut...
Compiling C++ on remote Linux machine - “clock skew detected” warning
... to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warning.
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How can I output a UTF-8 CSV in PHP that Excel will read properly?
...st outputs some stuff in CSV format, but it's got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the head of my document:
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index.php not loading by default
...om/myapp/ , it says "forbidden". By default it's not loading the index.php file.
13 Answers
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How to add a jar in External Libraries in android studio
I am new to Android Studio. What I need to do is add a few jar files in the External Libraries below the < JDK > folder.
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How to locate a file in Solution Explorer in Visual Studio 2010?
...e a huge solution with multiple projects. Sometime I need to navigate to a file in Solution Explorer . Using the VS 2010 ' Navigate To ' feature I can open any file by name in Visual Studio 2010 but I want to be able to select the file in Solution Explorer as well?
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
... execution path in the executable pip.exe when it is installed.
Edit this file using a hex editor or WordPad (you have to save it as plain text then to retain binary data), change the path to Python with quotes and spaces like this:
#!"C:\Program Files (x86)\Python33\python.exe"
to an escaped pa...
Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...will be replaced by CRLF.
Depending on the editor you are using, a text file with LF wouldn't necessary be saved with CRLF: recent editors can preserve eol style. But that git config setting insists on changing those...
Simply make sure that (as I recommend here):
git config --global core.autoc...
How to colorize diff on the command line?
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Can just use the syntax: colordiff file1 file2
– Felipe Alvarez
Sep 30 '13 at 23:12
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How to un-submodule a Git submodule?
... the main repository, you just need to remove the submodule and re-add the files into the main repo:
git rm --cached submodule_path # delete reference to submodule HEAD (no trailing slash)
git rm .gitmodules # if you have more than one submodules,
# you ne...