大约有 44,948 项符合查询结果（耗时：0.0466秒） [XML]
Why do you program in assembly? [closed]
... across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
...
What is setup.py?
Can anyone please explain what setup.py is and how it can be configured or used?
10 Answers
...
What is the difference between “int” and “uint” / “long” and “ulong”?
I know about int and long (32-bit and 64-bit numbers), but what are uint and ulong ?
5 Answers
...
Try catch statements in C
.../catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, that also catch the raised excepti...
Why are elementwise additions much faster in separate loops than in a combined loop?
...ame cache way. However, Intel processors have had 8-way L1 cache associativity for a while. But in reality, the performance isn't completely uniform. Accessing 4-ways is still slower than say 2-ways.
EDIT: It does in fact look like you are allocating all the arrays separately.
Usually when such larg...
Difference between string object and string literal [duplicate]
...
When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(a == b);...
CSS force image resize and keep aspect ratio
I am working with images, and I ran across a problem with aspect ratios.
23 Answers
23...
Is there “0b” or something similar to represent a binary number in Javascript
...inary (prefix 0b), octal (prefix 0o) and hexadecimal (prefix: 0x) numeric literals:
var bin = 0b1111; // bin will be set to 15
var oct = 0o17; // oct will be set to 15
var oxx = 017; // oxx will be set to 15
var hex = 0xF; // hex will be set to 15
// note: bB oO xX are all valid...
Delegates in swift?
...
It is not that different from obj-c.
First, you have to specify the protocol in your class declaration, like following:
class MyClass: NSUserNotificationCenterDelegate
The implementation will look like following:
// NSUse...
Environment variables for java installation
...
Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8
Set the following user environment variables (== environment variables of type user variables)
JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112
JDK_HOME : %JAVA_HOME%
JRE_HOME : ...