大约有 10,000 项符合查询结果（耗时：0.0170秒） [XML]
Retrieving Android API version programmatically
... problem with using Build.VERSION.SDK_INT is if you have a rooted phone or custom rom, you could have a non standard OS (aka my android is running 2.3.5) and that will return a null when using Build.VERSION.SDK_INT so Build.VERSION.RELEASE will work no matter using standard Android version or not !
...
Can we pass parameters to a view in SQL?
... a combination of tables. For example: a view may combine tables Order and Customer so you get a new "table" of rows from Order along with new columns containing the customer's name and the customer number (combination of tables). Or you might create a view that selects only unprocessed orders from ...
How to debug Lock wait timeout exceeded on MySQL?
...he process and the transaction is exactly in the example. The process is a PHP process. Transaction is a transaction as defined by innodb-trx-table. In my case, I had two PHP processes, in each I started a transaction manually. The interesting part was that even though I started one transaction in a...
Is there a difference between “==” and “is”?
... == include:
numbers, including integers
strings
lists
sets
dictionaries
custom mutable objects
other builtin immutable objects, in most cases
The general use case, again, for ==, is the object you want may not be the same object, instead it may be an equivalent one
PEP 8 directions
PEP 8, the...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...njoy it!!!
Just because I have had problems with my hosting provider
<?php /*
Author: Luis Siquot
Purpose: Check ajax performance and errors
License: GPL
site5: Please don't drop json requests (nor delay)!!!!
*/
$r = (int)$_GET['r'];
$w = (int)$_GET['w'];
if($r) {
sleep($w);
ech...
Best way to store password in database [closed]
...ssword: Best Practices?
Is it ever ok to store password in plain text in a php variable or php constant?
To clarify a bit further on the salting bit, the danger with simply hashing a password and storing that is that if a trespasser gets a hold of your database, they can still use what are known a...
When is CRC more appropriate to use than MD5/SHA1?
...
I ran every line of this PHP code in 1.000.000 loop. Results are in comments (#).
hash('crc32', 'The quick brown fox jumped over the lazy dog.');# 750ms 8 chars
hash('crc32b','The quick brown fox jumped over the lazy dog.');# 700ms 8 chars
has...
How do I import a namespace in Razor View Page?
...gt;
</pages>
</system.web.webPages.razor>
you can add your custom namespace like this:
<add namespace="My.Custom" />
that will add the namespace to all of .cshtml (and/or .vbhtml) files;
also you can change views inheritance from here, like:
<pages pageBaseType="My.Custo...
How do I copy a folder from remote to local using scp? [closed]
...d)
scp -r username@hostname:/path/from/destination /path/to/destination
Custom Port where xxxx is custom port number
scp -r -P xxxx username@hostname:/path/from/destination /path/to/destination
Copy on current directory from Remote to Local
scp -r username@hostname:/path/from/file .
Help: ...
Is it possible to change the textcolor on an Android SearchView?
...
This is best achieved through custom styles. Overload the action bar widget style with your own custom style. For holo light with dark action bar, put this in your own styles file such as res/values/styles_mytheme.xml:
<style name="Theme.MyTheme" pa...