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wkhtmltopdf: cannot connect to X server
...ne) version of the program and it works great! I would put the executable file in a folder, and run:
21 Answers
...
Difference between python3 and python3m executables
... the solution.
Python implementations MAY include additional flags in the file name
tag as appropriate. For example, on POSIX systems these flags will
also contribute to the file name:
--with-pydebug (flag: d)
--with-pymalloc (flag: m)
--with-wide-unicode (flag: u)
via PEP 3149.
Regarding the m fl...
How to make the 'cut' command treat same sequental delimiters as one?
...e readers. Explanations are at the Test section.
tr | cut
tr -s ' ' < file | cut -d' ' -f4
awk
awk '{print $4}' file
bash
while read -r _ _ _ myfield _
do
echo "forth field: $myfield"
done < file
sed
sed -r 's/^([^ ]*[ ]*){3}([^ ]*).*/\2/' file
Tests
Given this file, let's t...
How to debug Visual Studio extensions
...t to the devenv.exe binary. On my machine it's located at
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe
On a non x64 machine though you can remove the " (x86)" portion.
Then set the command line arguments to /rootsuffix Exp. This tells Visual Studio to use th...
Can a JSON value contain a multiline string
I am writing a JSON file which would be read by a Java program. The fragment is as follows...
5 Answers
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Error in SQL script: Only one statement is allowed per batch
...
I have found the problem. When I added the file in VS I forgot to set Build Action = None from the file properties. So changing that fixed the problem and the project now compiles.
share
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How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
Using sed and grep/egrep to search and replace
...matching lines using extended regular expressions
-l: only list matching filenames
-R: search recursively through all given directories
-Z: use \0 as record separator
"\.jpg|\.png|\.gif": match one of the strings ".jpg", ".gif" or ".png"
.: start the search in the current directory
xargs: execute...
With Git, how do I turn off the “LF will be replaced by CRLF” warning
...
I used this way:
Save your current files in Git, so that none of your work is lost.
git add . -u
git commit -m "Saving files before refreshing line endings"
Remove every file from Git's index.
git rm --cached -r .
Rewrite the Git index to pick up...
Golang tests in sub-directory
...nds to net and packages in its subdirectories.
If you keep your _test.go files in a subfolder, the 'go test ./...' command will be able to pick them up.
But:
you will need to prefix your exported variables and functions (used in your tests) with the name of your package, in order for the test fil...