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What exactly are DLL files, and how do they work?
...es that can contain executable code and resources like images, etc. Unlike applications, these cannot be directly executed, but an application will load them as and when they are required (or all at once during startup).
Are they important?
Most applications will load the DLL files they require at...
What is DOM Event delegation?
...
var newLi = document.createElement('li');
newLi.innerHTML = 'Four';
myUL.appendChild(newLi);
Without using event delegation you would have to "rebind" the "onclick" event handler to the new <li> element, in order for it to act the same way as its siblings. With event delegation you don't n...
What is the difference between Bower and npm?
... to the way that npm works, and has
proven to be an extremely successful approach.
On Bower homepage:
Bower is optimized for the front-end. Bower uses a flat dependency
tree, requiring only one version for each package, reducing page load
to a minimum.
In short, npm aims for stability....
Cross-browser testing: All major browsers on ONE machine
...d).
Safari: 5.1.7 (Windows) + Latest version. Release notes
Unfortunately, Apple dropped support for Windows, so you need to get a Mac or run OS X in a VM to test pages in Safari.
Chrome: Latest stable version. Release notes
Internet Explorer: IE8+. Feature history
This actually depends on your clie...
Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
...
Wow, such confuse. So after Java 7, when you package an app with OpenJDK-JRE, it's identical to packaging it with Oracle ServerJDK-JRE?
– Pacerier
Jul 28 '17 at 16:10
...
Permission denied for relation
...t;schema> TO <role>
To specify default permissions that will be applied to future tables use:
ALTER DEFAULT PRIVILEGES IN SCHEMA <schema>
GRANT <privileges> ON TABLES TO <role>;
e.g.
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE...
What is the default height of UITableViewCell?
...lthough 44 pixels is currently the default this is a useful method if your app relies on having the default value set.
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How to read a text file reversely with iterator in C#
...n't document its behaviour with respect
// to overlapping data: we *might* just have read 7 bytes instead of
// 8, and have two bytes to copy...
Array.Copy(buffer, bufferSize, buffer, bytesToRead, leftOverData);
...
What is the difference between mutex and critical section?
...ronization primitive (like an event or semaphore).
I wrote a quick sample app that compares the time between the two of them. On my system for 1,000,000 uncontended acquires and releases, a mutex takes over one second. A critical section takes ~50 ms for 1,000,000 acquires.
Here's the test code,...
Show pending migrations in rails
Is there a rake task that shows the pending migrations in a rails app?
10 Answers
10
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