大约有 20,000 项符合查询结果（耗时：0.0479秒） [XML]
When should I use malloc in C and when don't I?
I understand how malloc() works. My question is, I'll see things like this:
6 Answers
...
Why should I use core.autocrlf=true in Git?
...
The only specific reasons to set autocrlf to true are:
avoid git status showing all your files as modified because of the automatic EOL conversion done when cloning a Unix-based EOL Git repo to a Windows one (see issue 83 for instance)
and your coding tools...
Android set height and width of Custom view programmatically
I have created a custom view named Graphview . Here is the structure for the GraphView class.
6 Answers
...
What is the significance of ProjectTypeGuids tag in the visual studio project file
What is the significance of the ProjectTypeGuids tag in a visual studio project?? When I created a WPF application, i am seeing two GUIDs in here.
...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
...
Parallel foreach with asynchronous lambda
I would like to handle a collection in parallel, but I'm having trouble implementing it and I'm therefore hoping for some help.
...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
Default methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
...
Why does SIGPIPE exist?
From my understanding, SIGPIPE can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing somethin...
Best practices for reducing Garbage Collector activity in Javascript
...seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
...
Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
...