大约有 48,000 项符合查询结果（耗时：0.0525秒） [XML]
Checking if object is empty, works with ng-show but not from controller?
... need to set properties on the object before I have actually received info from $http. if its null then I couldn't do items.available = true could I ? I was under the impression that i had to create an object
– Martin
Jul 24 '13 at 16:27
...
How do you make sure email you send programmatically is not automatically marked as spam?
... Some spam systems take into account individual reading habits. (Do emails from this sender get read or are they deleted without reading? Etc.) So this will definitely help you find when they are being flagged (true negative), but this step won't prove that they won't for other users on the same sys...
How do I prevent node.js from crashing? try-catch doesn't work
From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
...
how to convert array values from string to int?
... $long_string = implode(',', $integers);
Method 1
This is the one liner from Mark's answer:
$integerIDs = array_map('intval', explode(',', $long_string));
Method 2
This is the JSON approach:
$integerIDs = json_decode('[' . $long_string . ']', true);
Method 3
I came up with this one as ...
What exactly do the Vagrant commands do?
...tion at vagrantup is on the shorter side.
Some information can be gleaned from command help system.
For example: gem command.
Just type the command without arguments: vagrant gem -h and it produces the information that you may need.
vagrant gem is used to install Vagrant plugins via the Ruby...
Get just the filename from a path in a Bash script [duplicate]
...
Here is an easy way to get the file name from a path:
echo "$PATH" | rev | cut -d"/" -f1 | rev
To remove the extension you can use, assuming the file name has only ONE dot (the extension dot):
cut -d"." -f1
...
Difference between Pragma and Cache-Control headers?
...lementation of the same concept. They both are meant to prevent the client from caching the response. Older clients may not support HTTP/1.1 which is why that header is still in use.
share
|
improve...
Strip html from string Ruby on Rails
I'm working with Ruby on Rails, Is there a way to strip html from a string using sanitize or equal method and keep only text inside value attribute on input tag?
...
Why doesn't nodelist have forEach?
... does not have a forEach method. I know that nodelist doesn't inherit from Array , but doesn't it seem like forEach would be a useful method to have? Is there a particular implementation issue I am not aware of that prevents adding forEach to nodelist ?
...
Tactics for using PHP in a high-load site
...straight.
If it takes a long time to build your comments and article data from the db, integrate memcache into your system. You can cache the query results and store them in a memcached instance. It's important to remember that retrieving the data from memcache must be faster than assembling it fro...