大约有 46,000 项符合查询结果(耗时:0.0593秒) [XML]
C# Float expression: strange behavior when casting the result float to int
... you know that 6.2f * 10 is not exactly 62 due to floating point rounding (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result in the wrong value.
The answer is that in the case of (int)(6.2f * 10...
How to get the file extension in PHP? [duplicate]
...follow
|
edited Aug 8 '13 at 19:11
Amal Murali
68.2k1616 gold badges116116 silver badges134134 bronze badges
...
Does Dart support enumerations?
...
Beginning 1.8, you can use enums like this:
enum Fruit {
apple, banana
}
main() {
var a = Fruit.apple;
switch (a) {
case Fruit.apple:
print('it is an apple');
break;
}
// get all the values of the enums
for (List<Fruit> value in Fruit.values...
Javascript - Append HTML to container element without innerHTML
I need a way to append HTML to a container element without using innerHTML. The reason why I do not want to use innerHTML is because when it is use like this:
...
Best explanation for languages without null
...mers are complaining about null errors/exceptions someone asks what we do without null.
11 Answers
...
Share variables between files in Node.js?
...never a good thing (maybe an exception or two out there...). In this case, it looks like you really just want to export your "name" variable. E.g.,
// module.js
var name = "foobar";
// export it
exports.name = name;
Then, in main.js...
//main.js
// get a reference to your required module
var my...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app:
...
Unix - create path of folders and file
...nded usage of ; to separate the two commands but as pointed out by @trysis it's probably better to use && in most situations because in case COMMAND1 fails COMMAND2 won't be executed either. (Otherwise this might lead to issues you might not have been expecting.)
...
Passing arrays as url parameter
...
There is a very simple solution: http_build_query(). It takes your query parameters as an associative array:
$data = array(
1,
4,
'a' => 'b',
'c' => 'd'
);
$query = http_build_query(array('aParam' => $data));
will return
string(63) "aParam%5B0%5D=1&...
How are booleans formatted in Strings in Python?
...False)
True, False
This is not specific to boolean values - %r calls the __repr__ method on the argument. %s (for str) should also work.
share
|
improve this answer
|
foll...