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How to cat a file containing code?
... want to export as the value of the variable.
#!/bin/bash
FILE_NAME="test.txt"
VAR_EXAMPLE="\"string\""
cat > ${FILE_NAME} << EOF
\${VAR_EXAMPLE}=${VAR_EXAMPLE} in ${FILE_NAME}
EOF
Will write "${VAR_EXAMPLE}="string" in test.txt" into test.txt
This can also be used to output blocks of ...
Multiple commands in gdb separated by some sort of delimiter ';'?
...uses GDB to start actually logging; by default, the log file is called gdb.txt.
printf "\nwhatis a\nwhatis b\nwhatis c\n"
Our 3 whatis requests, entered on a single line as promised! Separating the commands, before the first, and after the last is \n.
set logging off
Done writing to gdb.txt...
Define preprocessor macro through CMake?
... In cmake 3.10.2, add_compile_definitions throws CMake Error at CMakeLists.txt:6 (add_compile_definitions): Unknown CMake command "add_compile_definitions".. Had to use add_compile_options(-D <your-def>) instead.
– code_dredd
Jul 22 '18 at 9:25
...
What is the best project structure for a Python application? [closed]
...s have a number of top-level files (like setup.py, README.md, requirements.txt, etc). There are then three directories that every project should have:
A docs directory containing project documentation
A directory named with the project's name which stores the actual Python package
A test directory ...
How do you use “git --bare init” repository?
...d create the first commit.
> cd /path/to/work
> echo 123 > afile.txt
> git add .
> git config --local user.name adelphus
> git config --local user.email adelphus@example.com
> git commit -m "added afile"
[master (root-commit) 614ab02] added afile
1 file changed, 1 insertion(+)...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...to send non-ASCII characters via the pipeline):
# Call as `shuf someFile.txt` or `Get-Content someFile.txt | shuf`
function shuf {
$Input | python -c @'
import sys, random, fileinput;
lines=[line for line in fileinput.input()];
random.shuffle(lines); sys.stdout.write(''.join(lines))
'@ $args
}...
HTML Entity Decode [duplicate]
...code is that tags are also preserved.
function decodeHtml(html) {
var txt = document.createElement("textarea");
txt.innerHTML = html;
return txt.value;
}
Example: http://jsfiddle.net/k65s3/
Input:
Entity:&nbsp;Bad attempt at XSS:<script>alert('new\nline?')</script>&l...
Strip all non-numeric characters from string in JavaScript
...gular / Ionic / VueJS -- I just came up with a simple method of:
stripNaN(txt: any) {
return txt.toString().replace(/[^a-zA-Z0-9]/g, "");
}
Usage on the view:
<a [href]="'tel:'+stripNaN(single.meta['phone'])" [innerHTML]="stripNaN(single.meta['phone'])"></a>
...
Remove file extension from a file name string
If I have a string saying "abc.txt" , is there a quick way to get a substring that is just "abc" ?
12 Answers
...
Getting the count of unique values in a column in bash
... example):
awk -F '\t' '{print $2}' * | sort | uniq -c | sort -nr
fileA.txt
z z a
a b c
w d e
fileB.txt
t r e
z d a
a g c
fileC.txt
z r a
v d c
a m c
Result:
3 d
2 r
1 z
1 m
1 g
1 b
...