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How can I wait for set of asynchronous callback functions?
... specific with your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of w...
iOS forces rounded corners and glare on inputs
...eing in place. Reset with the following:
input {
-webkit-border-radius:0;
border-radius:0;
}
This can be extended to apply to all webkit styled form components such as input, select, button or textarea.
In reference to the original question, you wouldn't use the value 'none' when clearing ...
How to redirect output with subprocess in Python?
...
20
UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.syst...
PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also:...
Referring to a file relative to executing script
...some config files from the same place."
Any solution isn't going to work 100% of the time:
It is important to realize that in the general case, this problem has no solution. Any approach you might have heard of, and any approach that will be detailed below, has flaws and will only work in speci...
Python - json without whitespaces
...ered May 1 '13 at 1:45
donghyun208donghyun208
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Case sensitive Cmd+D in Sublime Text 2
... |
edited Aug 4 '17 at 2:40
sheriffderek
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answere...
Right query to get the current number of connections in a PostgreSQL DB
...ed Jan 13 '14 at 1:34
informatik01
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answered Mar 11 '11 at 8:52
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...制台上显示副本集还没有配置初始化信息。
Sun Dec 29 20:12:02.953 [rsStart] replSet can't get local.system.replset config from self or any seed (EMPTYCONFIG)
Sun Dec 29 20:12:02.953 [rsStart] replSet info you may need to run replSetInitiate -- rs.initiate() in the shell -- if ...
Using OR in SQLAlchemy
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340
From the tutorial:
from sqlalchemy import or_
filter(or_(User.name == 'ed', User.name == 'wendy...