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Find and Replace Inside a Text File from a Bash Command
...nvoke sed to do an in-place edit due to the -i option. This can be called from bash.
If you really really want to use just bash, then the following can work:
while read a; do
echo ${a//abc/XYZ}
done < /tmp/file.txt > /tmp/file.txt.t
mv /tmp/file.txt{.t,}
This loops over each line, doi...
What Regex would capture everything from ' mark to the end of a line?
...ants to do. It serves as a reminder later that it is expecting everything from ' to the end of the line
– gnarf
May 6 '09 at 18:03
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...r
GitHub (download), Wikipedia
compiles to .NET (CIL) looks discontinued from July 2017 and doesn't seem to support PHP 7.
phc
compiles to native binaries
not very active now (February 2014) – last version in 2011, last change in summer 2013
Roadsend PHP Compiler
GitHub, GitHub of a rew...
Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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Unix shell script find out which directory the script file resides?
...sing $BASH_SOURCE, and it returns what I needed. My script is being called from another script, and $0 returns . while $BASH_SOURCE returns the right subdirectory (in my case scripts).
– David Rissato Cruz
Dec 3 '15 at 16:28
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How can I multiply all items in a list together with Python?
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Python 3: use functools.reduce:
>>> from functools import reduce
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
Python 2: use reduce:
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
For compatible with 2 and 3 use pip install six, then:
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OpenSSL and error in reading openssl.conf file
...indows you can also set the environment property OPENSSL_CONF. For example from the commandline you can type:
set OPENSSL_CONF=c:/libs/openssl-0.9.8k/openssl.cnf
to validate it you can type:
echo %OPENSSL_CONF%
You can also set it as part of the computer's environmental variables so all users ...
Understanding Node.js modules: multiple requires return the same object?
...the same directory) then both of them will receive the same instance of A. From the node.js documentation:
... every call to require('foo') will get exactly the same object returned, if it would resolve to the same file.
The situation is different when a.js, b.js and app.js are in different...
How to determine CPU and memory consumption from inside a process?
I once had the task of determining the following performance parameters from inside a running application:
9 Answers
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List submodules in a Git repository
...les enumerates each submodule path and the URL it refers to.
For example, from root of repository, cat .gitmodules will print contents to the screen (assuming you have cat).
Because .gitmodule files have the Git configuration format, you can use git config to parse those files:
git config --file ...