大约有 15,000 项符合查询结果（耗时：0.0285秒） [XML]
Receiver not registered exception error?
...was not registered, then call to unregisterReceiver throws IllegalArgumentException. In your case you need to just put special try/catch for this exception and ignore it (assuming you can't or don't want to control number of times you call unregisterReceiver on the same recevier).
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How to check if a string contains only digits in Java [duplicate]
...use this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result.
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C++ preprocessor __VA_ARGS__ number of arguments
...
....but now is standard in C++0x and should've been longer ago because it allows a great way to guard varadic functions from corrupted calls (ie, you can pass values after the varadic items. This is actually a way of getting the count i used to use, but i ...
How to properly URL encode a string in PHP?
...code and rawurlencode is that
urlencode encodes according to application/x-www-form-urlencoded (space is encoded with +) while
rawurlencode encodes according to the plain Percent-Encoding (space is encoded with %20).
shar...
Most efficient way to convert an HTMLCollection to an Array
...lot of views, note (per @oriol's comment) that the following more concise expression is effectively equivalent:
var arr = [].slice.call(htmlCollection);
But note per @JussiR's comment, that unlike the "verbose" form, it does create an empty, unused, and indeed unusable array instance in the proce...
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
i've created a small API using Node/Express and trying to pull data using Angularjs but as my html page is running under apache on localhost:8888 and node API is listen on port 3000, i am getting the No 'Access-Control-Allow-Origin'. I tried using node-http-proxy and Vhosts Apache but not having ...
How to open a local disk file with JavaScript?
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Here's an example using FileReader:
function readSingleFile(e) {
var file = e.target.files[0];
if (!file) {
return;
}
var reader = new FileReader();
reader.onload = function(e) {
var contents = e.target.result;
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MySQL offset infinite rows
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use php 'PHP_INT_MAX' to avoid overflow effects.
– Karl Adler
Apr 7 '14 at 15:11
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Difference between 'struct' and 'typedef struct' in C++?
...pedef and other identifiers).
If you just said:
struct Foo { ... };
Foo x;
you would get a compiler error, because Foo is only defined in the tag namespace.
You'd have to declare it as:
struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets...
PHP mail function doesn't complete sending of e-mail
I've tried creating a simple mail form. The form itself is on my index.html page, but it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded.
The code submits perfectly, but never sends an email. How can I fix this?
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