大约有 40,000 项符合查询结果（耗时：0.0429秒） [XML]
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...uld be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
If the code is in low-throughput location, then it boils down to aesthetic considerations though.
share
|...
How to prevent XSS with HTML/PHP?
...
Basically you need to use the function htmlspecialchars() whenever you want to output something to the browser that came from the user input.
The correct way to use this function is something like this:
echo htmlspecialchars($st...
How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...
With JDK 1.7 installed, keytool always outputs by default SHA1 fingerprint, not MD5.
you can get the MD5 Certificate by adding -v option.
use the following code:-
C:\Program Files\Java\jdk1.7.0\bin>keytool -v -list -alias
androiddebugke...
std::function and std::bind: what are they, and when should they be used?
...nd to get g:
auto g = bind(f, _1, 4, _2);
This is more concise than actually writing a functor class to do it.
There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that almost does the job yo...
How to display HTML in TextView?
...
setText(Html.fromHtml(bodyData)) is deprecated after api 24. Now you have to do this:
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
tvDocument.setText(Html.fromHtml(bodyData,Html.FROM_HTML_MODE_LEGACY));
} else {
tvDocument.setTe...
File Upload without Form
... using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
...
Right HTTP status code to wrong input
...
We had the same problem when making our API as well. We were looking for an HTTP status code equivalent to an InvalidArgumentException. After reading the source article below, we ended up using 422 Unprocessable Entity which states:
The 422 (Unprocessable Entit...
Could not find method compile() for arguments Gradle
...
Looking back all this time, this is the most likely problem I was having. I have since obviously far moved on, but after getting notifications that this question was still open I think its only proper to indicate this as the 'correct' ans...
JavaScript is in array
...ork for old browsers (like IE < 9). There's a jQuery function for this: api.jquery.com/jQuery.inArray
– Vinicius Pinto
Oct 5 '12 at 14:42
5
...
TypeError: 'NoneType' object is not iterable in Python
... Correct, But the common scenario author intended here is totally to skip the for loop instead of raising an exception. Python's design is flawed here. When None is treated as an iterable it must return empty list at least. This exception never helped anyone in real life other than m...