大约有 7,800 项符合查询结果（耗时：0.0318秒） [XML]
Unnecessary curly braces in C++?
...his is the same as an if (or while etc..) block, just without if. In other words, you introduce a scope without introducing a control structure.
This "explicit scoping" is typically useful in following cases:
To avoid name clashes.
To scope using.
To control when the destructors are called.
Exa...
Difference between using bean id and name in Spring configuration file
...
Plus one for saying it in your own words and giving an example why special characters may be needed.
– Michael Piefel
Feb 13 '12 at 11:39
...
Programmatically find the number of cores on a machine
...cumentaion clearly says "logical" - which is always counting HT cores, the word "physical" always refers to cores reported by the BIOS / UEFI as cores may also be emulated / virtualized. You can differentiate between HT/non-HT cores with functions like GetLogicalProcessorInformation, for instance. N...
What does the term “porcelain” mean in Git?
...
Also git diff-tree --word-diff=porcelain
– Nicholas Shanks
Feb 20 '14 at 9:14
1
...
Is there an MD5 Fixed Point where md5(x) == x?
...l you have try try every possible input (from the space 2^128)". In other words, you only have to try every possibility if none before that works. So 1.08e28 years, or one lucky guess!
– P Daddy
Jun 18 '09 at 17:07
...
How to calculate an angle from three points? [closed]
...
mathwords.com/c/cosine_inverse.htm
– Matt W
Feb 15 '12 at 9:26
...
GitHub: searching through older versions of files
...e between -S and the search term)
(also note: to search for more than one word, surround in '):
git log -S'get info' -p
So, at a minimum that should find the commit where the function was first introduced and the one that removed it. I added the -p so you can also see the patches - if lots of c...
Can a constructor in Java be private?
...yList.createWithContents(5), ArrayList.createWithInitialSize(5)). In other words, a private constructor allows you to provide factory function's whose names are more understandable, and then making the constructor private ensures that people use only the more self-evident names. This is also commonl...
Difference between new and override
...y override a method when the base class defines the method as virtual. The word virtual is the base class saying "Hey, when I call this method, it could have virtually been replaced by a derived implementation, so I don't really know in advance what method implementation I'm actually calling at runt...
getApplication() vs. getApplicationContext()
... derived Application class and use for whatever custom purpose.
In other words, getApplication() is guaranteed to return an Application object, while getApplicationContext() is free to return a proxy instead.
share
...