大约有 48,000 项符合查询结果（耗时：0.0535秒） [XML]
Eclipse - no Java (JRE) / (JDK) … no virtual machine
...eo) to re-run on my computer - I have run it before with no problems, but now I keep getting this error:
34 Answers
...
JavaScript ternary operator example with functions
...unction() ? imlost() : whathappuh() : lostinsyntax() : thisisprobablybrokennow() ? //I'm lost in my own (awful) example by now.
//Not complete... or for average humans to read.
if(this != that) //Ternary would be done by now
{
x = this;
}
else
}
x = this + 2;
}
A really basic rule of thu...
Proper way to renew distribution certificate for iOS
...l of my provisioning files. How do I properly renew it? Should I revoke it now and request a new one? If I do that than will all my live apps be taken down?
...
Why doesn't ruby support method overloading?
...hod(a, b = true); end; # second argument has a default value
method(10)
# Now the method call can match the first one as well as the second one,
# so here is the problem.
So ruby needs to maintain one method in the method look up chain with a unique name.
...
Editing screenshots in iTunes Connect after iOS app was approved
...
Apple support now got back with the (somehow not too satisfactory) answer:
If your app is currently for sale on
the App Store, you will need to submit
an update in order to change your app
screenshots.
If you have any furthe...
How to explain callbacks in plain english? How are they different from calling one function from ano
...sider how programmers normally write to a file:
fileObject = open(file)
# now that we have WAITED for the file to open, we can write to it
fileObject.write("We are writing to the file.")
# now we can continue doing the other, totally unrelated things our program does
Here, we WAIT for the file to...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are s...
arrow operator (->) in function heading
...ifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 introduced this cool decltype thing that lets you describe type of an expression. So you might want to derive the return type from the argument...
Insert a line break in mailto body
...codeURIComponent().
For example, this message:
hello\rthis answer is now well formated\rand it contains good knowleadge\rthat is why I am up voting
URI Encoded, results in:
hello%0Dthis%20answer%20is%20now%20well%20formated%0Dand%20it%20contains%20good%20knowleadge%0Dthat%20is%20why%20I%20a...
Which is faster: Stack allocation or Heap allocation
...
On some (mostly embedded, that I know of) architectures, stack may be stored in fast on-die memory (e.g. SRAM). This can make a huge difference!
– leander
Jul 15 '09 at 1:16
...