大约有 26,000 项符合查询结果(耗时:0.0393秒) [XML]

https://stackoverflow.com/ques... 

vertical & horizontal lines in matplotlib

I do not quite understand why I am unable to create horizontal and vertical lines at specified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this? ...
https://stackoverflow.com/ques... 

Difference between save and saveAndFlush in Spring data jpa

I am trying to learn spring data JPA by testing some CRUD operation via JpaRepository . 2 Answers ...
https://stackoverflow.com/ques... 

Why is HTML5 input type datetime removed from browsers already supporting it?

I was wondering why all browsers, like Chrome versions higher than 26, which had support in the past for the input datetime removed it? ...
https://stackoverflow.com/ques... 

Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?

Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ? ...
https://stackoverflow.com/ques... 

NULL vs nil in Objective-C

In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer? ...
https://stackoverflow.com/ques... 

Append an element with fade in effect [jQuery]

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

Mixing a PHP variable with a string literal

Say I have a variable $test and it's defined as: $test = 'cheese' 4 Answers 4 ...
https://stackoverflow.com/ques... 

What does the “|” (single pipe) do in JavaScript?

Why does 0.5 | 0 return zero, but any integer (including negative) returns the input integer? What does the single pipe ("|") do? ...
https://stackoverflow.com/ques... 

mingw-w64 threads: posix vs win32

...e two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me from calling WinAPI functions like CreateThread. ...
https://stackoverflow.com/ques... 

Open a file with Notepad in C#

How I open a file in c#? I don't mean reading it by textreader and readline(). I mean open it as an independent file in notepad. ...