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PDO get the last ID inserted
...I have a heavily trafficked website and I insert something during my login script and use lastInsertId() to get the inserted iD, but a lot of people are logging in at the same time, am I safe on relying on lastInsertId() to get the last inserted ID from that specific instance of code executing? Or d...
Get application version name using adb
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If you want to get all package versions, try this awk script:
adb shell dumpsys package | awk '/^[ ]*Package \[.*\] (.*)/ { i = index($0, "[") + 1; pkg = substr($0, i, index($0, "]") - i); } /[ ]*versionName=/ { { print pkg "\t" substr($0, index($0, "=") + 1); pkg = ""; } }'
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Does svn have a `revert-all` command?
...e any new file not under version control. But you can easily write a shell script to do that like:
for file in `svn status|grep "^ *?"|sed -e 's/^ *? *//'`; do rm $file ; done
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Save file to specific folder with curl command
In a shell script, I want to download a file from some URL and save it to a specific folder. What is the specific CLI flag I should use to download files to a specific folder with the curl command, or how else do I get that result?
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Display current date and time without punctuation
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A simple example in shell script
#!/bin/bash
current_date_time="`date +%Y%m%d%H%M%S`";
echo $current_date_time;
With out punctuation format :- +%Y%m%d%H%M%S
With punctuation :- +%Y-%m-%d %H:%M:%S
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Regular expression \p{L} and \p{N}
...he category "letter".
\p{N} matches any kind of numeric character in any script.
Source: regular-expressions.info
If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
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How to execute an external program from within Node.js?
...wn;
var prc = spawn('java', ['-jar', '-Xmx512M', '-Dfile.encoding=utf8', 'script/importlistings.jar']);
//noinspection JSUnresolvedFunction
prc.stdout.setEncoding('utf8');
prc.stdout.on('data', function (data) {
var str = data.toString()
var lines = str.split(/(\r?\n)/g);
console.log(l...
Difference between java.exe and javaw.exe
...es wait until the program completes. It can be used safely as part of .bat script for example, and it will wait. However, when you manually start non-console programs from cmd.exe, the cmd.exe will not wait and return to command prompt immediately. Try it with notepad.exe vs ping 8.8.8.8
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What's the difference between subprocess Popen and call (how can I use them)?
...you can still set the process' output, environmental variables, etc., your script waits for the program to complete, and call returns a code representing the process' exit status.
returncode = call(*args, **kwargs)
is basically the same as calling
returncode = Popen(*args, **kwargs).wait()
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Regex for string contains?
...ling but can't get a straight example of such a regex. This is for a build script but has no bearing to any particular programming language.
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