大约有 4,600 项符合查询结果（耗时：0.0295秒） [XML]
Ternary Operator Similar To ?:
...mport Bool._
// yay!
val x = condition ? "yes" | "no"
}
Have fun ;)
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Clear the cache in JavaScript
...evision number or last updated timestamp to the file, like this:
myscript.123.js
or
myscript.js?updated=1234567890
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File Upload without Form
...e with properties of file_field to form_data
form_data.append("user_id", 123) // Adding extra parameters to form_data
$.ajax({
url: "/upload_avatar", // Upload Script
dataType: 'script',
cache: false,
contentType: false,
processData: false,
data: form_data, // Setting the...
Are there any Java method ordering conventions? [closed]
...
123
Class (static) variables: First the public class variables, then the
protected, and then the ...
HTTP POST with URL query parameters — good idea or not? [closed]
...Is are RESTful. In fact, most APIs which claim that actually aren't. Also, fun fact, REST isn't HTTP-only either.
– Alec Mev
Jan 2 '17 at 19:38
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Serializing class instance to JSON
...dict__) returns proper data in the format of: {"value2": "345", "value1": "123"} I had seen posts like this before, wasn't sure whether I needed a custom serializer for members, needing init wasn't mentioned explicitly or I missed it. Thank you.
– ferhan
Apr 2...
Possible to iterate backwards through a foreach?
...ust have an IEnumerable) then you will just have to write your own Reverse function. This should work:
static IEnumerable<T> Reverse<T>(IEnumerable<T> input)
{
return new Stack<T>(input);
}
This relies on some behaviour which is perhaps not that obvious. When you pass ...
HTTP GET request in JavaScript?
...
@bugmenot123 window.fetch doesn't come with an XML parser, but you can parse the response yourself if you handle it as text (not json as in the example above). See stackoverflow.com/a/37702056/66349 for an example
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Why doesn't Dictionary have AddRange?
...blic static void ForEachOrBreak<T>(this IEnumerable<T> source, Func<T, bool> func)
{
foreach (var item in source)
{
bool result = func(item);
if (result) break;
}
}
}
}
Have fun.
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Python Pandas: Get index of rows which column matches certain value
...ool (PS: about how to use it please check link )
df.query('BoolCol')
Out[123]:
BoolCol
10 True
40 True
50 True
After we filter the original df by the Boolean column we can pick the index .
df=df.query('BoolCol')
df.index
Out[125]: Int64Index([10, 40, 50], dtype='int64')
Als...