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sed error: “invalid reference \1 on `s' command's RHS”
I run several substitution commands as the core of a colorize script for maven .
One of the sed commands uses a regular expression which works find in the shell as discussed here . The current (not working) implementation can be found here .
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How to save an image to localStorage and display it on the next page?
... needs this problem solved:
Firstly, I grab my image with getElementByID, and save the image as a Base64. Then I save the Base64 string as my localStorage value.
bannerImage = document.getElementById('bannerImg');
imgData = getBase64Image(bannerImage);
localStorage.setItem("imgData", imgData);
H...
Markdown: continue numbered list
...block belongs to the list item 2. Otherwise, it's just a normal paragraph, and will end the list.
– Macmade
Aug 6 '13 at 19:53
48
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Where does gcc look for C and C++ header files?
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`gcc -print-prog-name=cc1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=...
MySQL error code: 1175 during UPDATE in MySQL Workbench
...update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command:
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How to increase the execution timeout in php?
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can i change upload_max_filesize and max_execution_time in htaccess file?
– Aamir
Sep 30 '10 at 9:55
2
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How can I “unuse” a namespace?
... BCB6). I then used to fall back on adding explicit namespaces on conflict and - even worse - include a header for avoiding type name conflicts...
– Wolf
Sep 2 '14 at 8:15
add...
Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How to find day of week in php in a specific timezone
I am confused while using php to handle date/time.
12 Answers
12
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Find the version of an installed npm package
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On mac and linux it's nice to add " | grep module_name", to filter the desired module version. Especially when running globally with -g. For example: "npm list -g | grep express" to get the installed express version.
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