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PhoneGap: Detect if running on desktop browser
...developing a web application that uses PhoneGap:Build for a mobile version and want to have a single codebase for the 'desktop' and mobile versions. I want to be able to detect if PhoneGap calls will work (ie, is the user on a mobile device that will support PhoneGap).
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What is an Intent in Android?
... happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly. Think of it as a blast email to a bunch of friends, in which you tell your friend John to do something, or to friends who can do X ("intent filters"), to do X. The other folks will ignore the email...
How to link to specific line number on github
...ink to the right lines:
Click on the line number you want (like line 18), and the URL in your browser will get a #L18 tacked onto the end. You literally click on the 18 at the left side, not the line of code. Looks like this:
And now your browser's URL looks like this:
https://github.com/git/gi...
Matplotlib Legends not working
...uple of line objects, no matter how many are actually created from the command. Without the comma, "plot1" and "plot2" are tuples instead of line objects, making the later call to plt.legend() fail.
The comma implicitly unpacks the results so that instead of a tuple, "plot1" and "plot2" automatica...
PDO get the last ID inserted
I have a query, and I want to get the last ID inserted. The field ID is the primary key and auto incrementing.
3 Answers
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Replace one character with another in Bash
...lexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash 5.0.11 took 17s. With 2M tr took 0.07s (expected) but bash took 69s (4 times as lon...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...= new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iterator = list.iterator();
// while (iterator.hasNext()) {
for (Iterator<String> iterat...
Semicolons superfluous at the end of a line in shell scripts?
...lons at the end of a line are superfluous, since the newline is also a command separator. case specifically needs double semicolons at the end of the last command in each pattern block; see help case for details.
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What is the purpose of .PHONY in a Makefile?
...e used to build files from other files. Make assumes its target is a file, and this makes writing Makefiles relatively easy:
foo: bar
create_one_from_the_other foo bar
However, sometimes you want your Makefile to run commands that do not represent physical files in the file system. Good example...
stop all instances of node.js server
This is my first time working with Node.js and I ran into this problem:
16 Answers
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