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Get all child views inside LinearLayout at once
...Example:
LinearLayout ll = …
final int childCount = ll.getChildCount();
for (int i = 0; i < childCount; i++) {
View v = ll.getChildAt(i);
// Do something with v.
// …
}
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Bash script to set up a temporary SSH tunnel
...g SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledomain.com
Master running (pid=3517)
$ ssh -S my-ctrl-socket -...
break out of if and foreach
I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach.
4 Answers
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Where to find extensions installed folder for Google Chrome on Mac?
...re defined at http://www.chromium.org/user-experience/user-data-directory. For Chrome on Mac, it's
~/Library/Application\ Support/Google/Chrome/Default
The actual location can be different, by setting the --user-data-dir=path/to/directory flag.
If only one user is registered in Chrome, look in th...
How to pass html string to webview on android
...hat supposed to work with a string containing javascript? It's not working for me
– Edu
May 10 '13 at 18:20
27
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jQuery if checkbox is checked
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If we are going to be talking about performance then some of these comments should be added directly to the question asked by Clinton, and suggesting that the absolute fastest recommendation would be to add an ID
– Tom Stickel
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A numeric string as array key in PHP
...ode() and json_encode() which is not necessary.)
Note the comment: It's unfortunately not possible to reference the value directly: $data['12'] will result in a notice.
Update:
From PHP 7.2 on it is also possible to use a numeric string as key to reference the value:
var_dump( $data['12'] ); // ...
Sorting dropdown alphabetically in AngularJS
...tions which is hooked to a controller that in turn is calling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetically.
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is of a type that is invalid for use as a key column in an index
...and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[value] nvarchar(max) NOT NULL
)
i.e. the key can't be over 450 characters....
DROP IF EXISTS VS DROP?
...ntax is
DROP TABLE table_name;
IF EXISTS is not standard; different platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database objec...