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How to check internet access on Android? InetAddress never times out
... could run on main thread
- does not work on some old devices (Galays S3, etc.), it blocks a while if no internet is available.
B) Connect to a Socket on the Internet (advanced)
// TCP/HTTP/DNS (depending on the port, 53=DNS, 80=HTTP, etc.)
public boolean isOnline() {
try {
int timeou...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
In the shell you can do redirection, > < , etc., but how about AFTER a program is started?
8 Answers
...
Convert SVG image to PNG with PHP
...css">
#CA,#FL,HI{
fill:blue;
}
#Al, #NY, #NM{
fill:#cc6699;
}
/*etc..*/
</style>
and then you can do a single text replace to inject your css rules into the svg before proceeding with the imagick jpeg/png creation. If the colors don't change, check to make sure you don't have any ...
How to use php serialize() and unserialize()
...
what is the explanation of those a,i,s etc in a:3:{i:1;s:6:"elem 1";i:2;s:6:"elem 2";i:3;s:7:" elem 3";} ? And if u don't mind , an example of serializing the array(might not be relevant to the theme of this post ) to send it to js.
– Istiaqu...
Why do we need to install gulp globally and locally?
...dencies": {
"gulp": "3.5.2"
}
"scripts": {
"test": "gulp test"
}
etc. and running with npm run test then you shouldn't need the global install at all.
Both methods are useful for getting people set up with your project since sudo isn't needed. It also means that gulp will be updated when ...
How to use transactions with dapper.net?
...o (stackoverflow.com/a/20047975/444469) - DoYouDapperWork (Execute, Query, etc...) needs the transaction in the parameters.
– Matthieu
Jul 18 '18 at 18:03
...
Overwrite or override
...e. override - Use one's authority to reject or cancel (a decision, view, etc.)
– allicarn
Nov 15 '12 at 19:50
...
Difference between abstraction and encapsulation?
...
Encapsulation means-hiding data like using getter and setter etc.
Abstraction means- hiding implementation using abstract class and interfaces etc.
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What is the difference between a map and a dictionary?
...can erase an element and test for membership in array, vector, list, deque etc, but the container interfaces don't directly support that because finding an element is spectacularly inefficient at O(N), in some cases insert/erase is inefficient, and supporting those operations undermines the delibera...
How to remove unreferenced blobs from my git repo
... you might want to keep: Stashes; Old history not in any current branches; etc. Read the documentation to be sure this is what you want.
To expire the reflog, and then prune all objects not in branches:
git reflog expire --expire-unreachable=now --all
git gc --prune=now
git reflog expire --expire-u...