大约有 40,000 项符合查询结果（耗时：0.0832秒） [XML]
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
... // log or don't log request,
// redirect to avoid resubmition on F5 etc
}
If your application needs to react on any data received through post request, use this:
if(!empty($_POST)) { // if received any post data
// process $_POST values,
// save data to DB,
// ...
}
if(!empty(...
Is there a way to auto expand objects in Chrome Dev Tools?
...the properties (hasOwn) in the middle of 50 prototype methods, properties etc...
– Kev
Oct 21 '15 at 20:25
this gives...
Using @property versus getters and setters
...e plenty of ways to do this in Python (getattr, setattr, __getattribute__, etc..., but a very concise and clean one is:
def set_email(self, value):
if '@' not in value:
raise Exception("This doesn't look like an email address.")
self._email = value
def get_email(self):
return s...
How can I get a user's media from Instagram without authenticating as a user?
...cent Instagram media on a sidebar. I'm trying to use the Instagram API to fetch the media.
20 Answers
...
How do you read CSS rule values with JavaScript?
...lar rule, so I can't just pull them out by style name (like .style.width etc.)
16 Answers
...
What does = +_ mean in JavaScript
... a number.
_ is only a variable name (not an operator), it could be a, foo etc.
Example:
+"1"
cast "1" to pure number 1.
var _ = "1";
var r = +_;
r is now 1, not "1".
Moreover, according to the MDN page on Arithmetic Operators:
The unary plus operator precedes its operand and evaluates ...
Loop through files in a directory using PowerShell
...r was install something and use it. You could have suggested install Ruby, etc.
– SteveC
Dec 13 '19 at 14:02
|
show 1 more comment
...
Date vs DateTime
...simple date without worrying about time portion, timezones, local vs. utc, etc.
Date today = Date.Today;
Date yesterday = Date.Today.AddDays(-1);
Date independenceDay = Date.Parse("2013-07-04");
independenceDay.ToLongString(); // "Thursday, July 4, 2013"
independenceDay.ToShortString(); // "7...
Cannot read configuration file due to insufficient permissions
... your web site's application pool runs as (Network Services, Local System, etc.), should have permission to access and read web.config file.
Update:
This updated answer is same as above, but a little longer and simpler and improved.
First of all: you don't have to change anything in your config f...
What are “first class” objects?
...r sections of code(method arguments), ability to store in a data structure etc. If we can do the same with an entity which is not normally considered as a object, like functions in the case of java script, such entities are considered to be first class objects.
First class essentially here means, n...