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Multiple commands on same line
...ndful of commands that don't work with |!
– too much php
Jul 14 '10 at 22:53
33
When you find you...
Detect Android phone via Javascript / jQuery
...to Android-site?
window.location = 'http://android.davidwalsh.name';
}
PHP:
$ua = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($ua,'android') !== false) { // && stripos($ua,'mobile') !== false) {
header('Location: http://android.davidwalsh.name');
exit();
}
Edit : As poin...
JPA getSingleResult() or null
...andling for no real benefit. You just have to wrap the code in a try-catch block.
Alternatively you can query for a list and see if its empty. That doesn't throw an exception. Actually since you're not doing a primary key lookup technically there could be multiple results (even if one, both or the ...
Responsive css background images
...is sass mixin for responsive background image that I use. It works for any block element. Of course the same can work in plain CSS you will just have to calculate padding manually.
@mixin responsive-bg-image($image-width, $image-height) {
background-size: 100%;
height: 0;
padding-bottom: perc...
Load RSA public key from file
...} catch (InvalidKeyException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
File file=new File(filename);
try {
file.createNewFile();
FileOutputStream fos=new FileOutputStream(file);
fos.write(pempri...
When monkey patching an instance method, can you call the overridden method from the new implementat
...get a hold of the method as an actual object, and we use a closure (i.e. a block) to make sure that we and only we hold on to that object:
class Foo
def bar
'Hello'
end
end
class Foo
old_bar = instance_method(:bar)
define_method(:bar) do
old_bar.bind(self).() + ' World'
end
end...
how to run two commands in sudo?
... can run two Db2 commands from a command line? (They will be called from a PHP exec command.)
10 Answers
...
Postgres could not connect to server
...
Had a similar problem; a pid file was blocking postgres from starting up. To fix it:
$ rm /usr/local/var/postgres/postmaster.pid
$ brew services restart postgresql
and then all is well.
...
What does the Reflect object do in JavaScript?
...by the draft document found on the wiki,
http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts
We get the line about "single ordinary object" which it clarifies in the draft. It also has the function definitions.
The wiki should be reliable since you can find a link to it from the ...
How to wait in a batch script? [duplicate]
...ot exist in the real world. Quoting from the spec:
192.0.2.0/24 - This block is assigned as "TEST-NET" for use in
documentation and example code. It is often used in conjunction with
domain names example.com or example.net in vendor and protocol
documentation. Addresses within this block...