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What's an easy way to read random line from a file in Unix command line?
...
This is simple.
cat file.txt | shuf -n 1
Granted this is just a tad slower than the "shuf -n 1 file.txt" on its own.
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Android: install .apk programmatically [duplicate]
...omplete = new BroadcastReceiver() {
public void onReceive(Context ctxt, Intent intent) {
Intent install = new Intent(Intent.ACTION_VIEW);
install.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
install.setDataAndType(uri,
manager.getMimeTypeF...
Will console.log reduce JavaScript execution performance?
...log = (function(console) {
var canLog = !!console;
return function(txt) {
if(canLog) console.log('log: ' + txt);
};
})(window.con
How to set a value to a file input in HTML?
...pe="multipart/form-data">
<input type="file" value="c:/passwords.txt">
</form>
<script>document.foo.submit();</script>
You don't want the websites you visit to be able to do this, do you? =)
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source command not found in sh shell
...trying to call source command from #Jenkins execute shell.
source profile.txt
or
source profile.properties
Replacement for source command is to use,
. ./profile.txt
or
. ./profile.properties
Note: There is a space between the two dots(.)
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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...
Want to exclude file from “git diff”
...downloads:
git diff `git status -s |grep -v ^\ D |grep -v file/to/exclude.txt |cut -b4-`
Where file/to/exclude.txt is the name of the file you would like to exclude, of course.
Edit: credit ksenzee for fixing deleted files breaking the diff.
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How do you serve a file for download with AngularJS or Javascript?
...utton is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript?
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How can I tell how many objects I've stored in an S3 bucket?
...t to a text file.
s3cmd ls -r s3://logs.mybucket/subfolder/ > listing.txt
Then in linux you can run a wc -l on the file to count the lines (1 line per object).
wc -l listing.txt
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How can I run a program from a batch file without leaving the console open after the program starts?
... this batch-file will wait until notepad exits:
@echo off
notepad c:\test.txt
However, this won't:
@echo off
start notepad c:\test.txt
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