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How can you find the height of text on an HTML canvas?
...example of this working, I used this technique in the Carota editor.
Following on from ellisbben's answer, here is an enhanced version to get the ascent and descent from the baseline, i.e. same as tmAscent and tmDescent returned by Win32's GetTextMetric API. This is needed if you want to do a word-...
How do I check if a file exists in Java?
...a.io.File.exists() (from my small benchmark on the only computer I tested: Windows Server 2012 running Java 1.7.0_45 x64).
– Matthieu
May 16 '17 at 16:53
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Check if a div exists with jquery [duplicate]
... seems to me that .length defeats .length > 0, so it's kind of a double-win. Still, thanks for pointing this out.
– karim79
Nov 27 '13 at 23:44
add a comment
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No internet on Android emulator - why and how to fix? [closed]
...rnet on emulator if you are setting behind a proxy server perform the following steps:
Go to settings->Wireless & networks->mobile networks->Access Point Names.
Press menu button. an option menu will appear.
from the option menu select New APN.
Click on Name. provide name to apn say M...
What's the best way to check if a String represents an integer in Java?
I normally use the following idiom to check if a String can be converted to an integer.
38 Answers
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How do you copy and paste into Git Bash
I'm using msysgit running on Windows XP.
30 Answers
30
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How to set a JVM TimeZone Properly
...one instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
7 Answers
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How can I update NodeJS and NPM to the next versions?
...documentation on Node.js and NPM installation and Upgrading NPM.
The following original answer is from the old FAQ that no longer exists, but should work for Linux and Mac:
How do I update npm?
npm install -g npm
Please note that this command will remove your current version of npm. Make...
Download file from web in Python 3
... @Corey: Right from the docs: "21.6.24. Legacy interface The following functions and classes are ported from the Python 2 module urllib (as opposed to urllib2). They might become deprecated at some point in the future." ...and I agree on Oleh's "not sure why"
– cfi
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How to get the user input in Java?
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You can use any of the following options based on the requirements.
Scanner class
import java.util.Scanner;
//...
Scanner scan = new Scanner(System.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
impo...