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How do I use extern to share variables between source files?
... made to work. Clearly, it would not be hard to
create a header generator script to give you the standardized template
for a variable defining and declaring header file.
NB These are toy programs with just barely enough code to make them
marginally interesting. There is repetition within the exam...
node.js execute system command synchronously
... it gets things done. Install the library.
npm install node-ffi
Example script:
var FFI = require("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: How to get STDOUT]
var lib = ffi.Library(null, {
...
Copy file(s) from one project to another using post build event…VS2010
...
xcopy "$(TargetDir)*$(TargetExt)" "$(SolutionDir)\Scripts\MigrationScripts\Library\" /F /R /Y /I
/F – Displays full source & target file names
/R – This will overwrite read-only files
/Y – Suppresses prompting to overwrite an existing file(s)
/I – Assumes th...
How to read lines of a file in Ruby
...uby's probably doing things properly (so that large files don't cause your script to crash).
– Starkers
Sep 27 '13 at 11:19
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grep a file, but show several surrounding lines?
...e are not meant to be used together. It is cleaner to other readers of the script if you choose -A or -B or -C over -9.
– Eric Aldinger
Jun 7 '19 at 17:01
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Multiple commands in an alias for bash
...will not even be attempted unless the first one is successful. A better description of short-circuit evaluation is described in this SO question.
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Compiling with g++ using multiple cores
...nstructs bjam to build up to x concurrent commands.
We use the same build scripts on Windows and Linux and using this option halves our build times on both platforms. Nice.
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Error in : object of type 'closure' is not subsettable
... defined url in your prior R session, but forgot to copy that code to your script.
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How do I create a variable number of variables?
... output bar for Jython 2.5.2. This was tested with an On Demand Automation Script in maximo.
– Preacher
Mar 30 at 22:52
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What is an .inc and why use it?
...ans that its a file that needs to be included and does not make standalone script in itself.
This is a convention not a programming technique.
Although if your web server is not configured properly it could expose files with extensions like .inc.
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