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Change multiple files
...lacements. Another example with filepaths sed -i 's|auth-user-pass nordvpn.txt|auth-user-pass /etc/openvpn/nordvpn.txt|g' *.ovpn.
– Léo Léopold Hertz 준영
Mar 5 '17 at 20:59
...
Optimising Android application before release [closed]
... System.out.println(s);
}
//Better coding
final String txt = "Number=";
StringBuilder sb = new StringBuilder();
for(int i=0;i < 999999;i++){
sb.setLength(0);
sb.append(txt);
sb.append(i);
System.out.println(sb);
}
I wrote a more ex...
JQuery Event for user pressing enter in a textbox?
...
HTML Code:-
<input type="text" name="txt1" id="txt1" onkeypress="return AddKeyPress(event);" />
<input type="button" id="btnclick">
Java Script Code
function AddKeyPress(e) {
// look for window.event in case event isn't passed in
...
.NET Format a string with fixed spaces
...the .net framework you target).
string value = "String goes here";
string txt1 = $"{value,20}";
string txt2 = $"{value,-20}";
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...
Find duplicate lines in a file and count how many time each line was duplicated?
...ll" I used the command mentioned below to achieve this
Get-Content .\file.txt | Group-Object | Select Name, Count
Also we can use the where-object Cmdlet to filter the result
Get-Content .\file.txt | Group-Object | Where-Object { $_.Count -gt 1 } | Select Name, Count
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How do I get the path of the assembly the code is in?
...eturn: c:\My Directory This means that File.Exists("c:\My Directory\MyFile.txt") will return false as the correct path is actually "c:\My%20Directory\MyFile.txt" I came across this as our SVN paths have spaces in them and when we check them out it encodes the spaces.
– row1
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How to print to stderr in Python?
... following result when run on the command line:
$ python3 foo.py > bar.txt
I print to stderr by default
and bar.txt will contain the 'hello world' printed on stdout.
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How can I upgrade specific packages using pip and a requirements file?
...use this pip-upgrader which also updates the versions in your requirements.txt file for the chosen packages (or all packages).
Installation
pip install pip-upgrader
Usage
Activate your virtualenv (important, because it will also install the new versions of upgraded packages in current virtualenv).
...
Hidden features of Windows batch files
..., I'm thankful for it.
FOR /F "eol=; tokens=2,3* delims=, " %i in (myfile.txt) do @echo %i %j %k
would parse each line in myfile.txt, ignoring lines that begin with a semicolon, passing the 2nd and 3rd token from each line to the for body, with tokens delimited by commas and/or spaces.
Notice the...
sed command with -i option failing on Mac, but works on Linux
...on you need to provide an extension for your backups.
If you have:
File1.txt
File2.cfg
The command (note the lack of space between -i and '' and the -e to make it work on new versions of Mac and on GNU):
sed -i'.original' -e 's/old_link/new_link/g' *
Create 2 backup files like:
File1.txt.ori...