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Difference between $(this) and event.target?
... and jQuery : The Missing Manual , there's that first line when the author does this :
6 Answers
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How can I check if string contains characters & whitespace, not just whitespace?
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a lot of these answers have regex in them! Does this mean there is no native way to detect thing in js? is there no string.IsWhitespace or something? Is there no native trim either?
– JonnyRaa
Feb 6 '14 at 17:08
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Is there a way to automatically build the package.json file for Node.js projects
... generate package.json files for you!
It comes bundled with npm. Read its documentation here: https://docs.npmjs.com/cli/init
Also, there's an official tool you can use to generate this file programmatically: https://github.com/npm/init-package-json
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Explaining Python's '__enter__' and '__exit__'
I saw this in someone's code. What does it mean?
6 Answers
6
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Why not abstract fields?
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You can do what you described by having a final field in your abstract class that is initialised in its constructor (untested code):
abstract class Base {
final String errMsg;
Base(String msg) {
errMsg = msg;
}...
What do 'statically linked' and 'dynamically linked' mean?
... dynamically linked library with one that's not compatible (developers who do this should expect to be hunted down and punished severely, by the way).
As an example, let's look at the case of a user compiling their main.c file for static and dynamic linking.
Phase Static D...
Rails - Nested includes on Active Records?
...d multiple times years apart and saves my ass every time. This is what the docs should look like
– Andrew
May 31 '18 at 11:33
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Dynamically change color to lighter or darker by percentage CSS (Javascript)
...ant to make some other links, but with lighter color. Obviously I can just do simply by the hex code adding in the CSS file, but our site lets user decide what colors they want for their customized profile/site (like Twitter).
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Dependency injection with Jersey 2.0
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I'm not sure what EntityManager is, but judging by docs.oracle.com/javaee/6/api/javax/persistence/… it seems to be an interface. You can bind it using bind(EntityManagerImpl.class).to(EntityManager.class) (which will bind a class EntityManagerImpl implementing the interface...
Javascript Object push() function
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+1 beat me to it. Don't forget to change the for...in loop, too.
– Andy E
Jan 19 '12 at 12:16
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