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.NET Format a string with fixed spaces
...the .net framework you target).
string value = "String goes here";
string txt1 = $"{value,20}";
string txt2 = $"{value,-20}";
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Are unused CSS images downloaded?
...lt;body>
<?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If test.txt is populated with the browser's user agent, then the image is downloaded. This was not the case in any of my tests.
...
Compare two files in Visual Studio
...
You can invoke devenv.exe /diff list1.txt list2.txt from the command prompt or, if a Visual Studio instance is already running, you can type Tools.DiffFiles in the Command window, with a handy file name completion:
...
Bash script - variable content as a command to run
...
You just need to do:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $count)
However, if you want to call your Perl command later, and that's why you want to assign it to a variable, then:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
var="perl test.pl ...
How to retrieve a user environment variable in CMake (Windows)
...ith one of the consecutive builds (you just call e.g. make, one CMakeLists.txt was changed and CMake runs through the generation process again), the user defined environment variable may not be there anymore (in comparison to system wide environment variables).
So I transfer those user defined envi...
Key hash for Android-Facebook app
....bin > sha1.bin
C:\Users\Me>openssl base64 -in sha1.bin -out base64.txt
After running these commands the valid hash is stored in the file base64.txt. Copy and paste this to your app settings on Facebook.
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Sending HTTP POST Request In Java
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// Send our file
try(InputStream file = new FileInputStream("test.txt")) {
sendFile(out, "identification", file, "text.txt");
}
// Finish the request
out.write(finishBoundaryBytes);
}
// Do something with http.getInputStream()
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Hidden Features of VB.NET?
...e you noticed the Like comparison operator?
Dim b As Boolean = "file.txt" Like "*.txt"
More from MSDN
Dim testCheck As Boolean
' The following statement returns True (does "F" satisfy "F"?)'
testCheck = "F" Like "F"
' The following statement returns False for Option Compare Binary'
' a...
How do I use sudo to redirect output to a location I don't have permission to write to?
...t take these as arguments. For example:
sudo log_script command /log/file.txt
Call a shell and pass the command line as a parameter with -c
This is especially useful for one off compound commands.
For example:
sudo bash -c "{ command1 arg; command2 arg; } > /log/file.txt"
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How can I ignore everything under a folder in Mercurial
... all directories & sub-directories named bin but not any file name bin.txt or bin1 . What's the point of asterix?
– user
Jun 30 '13 at 13:03
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