大约有 46,000 项符合查询结果（耗时：0.0618秒） [XML]
Why do we need break after case statements?
...t an example.
In my experience, usually it is bad style to "fall through" and have multiple blocks of code execute for one case, but there may be uses for it in some situations.
share
|
improve thi...
How do I calculate the date six months from the current date using the datetime Python module?
...akes care of issues with 28, 30, 31 days etc. This becomes very useful in handling business rules and scenarios (say invoice generation etc.)
$ date(2010,12,31)+relativedelta(months=+1)
datetime.date(2011, 1, 31)
$ date(2010,12,31)+relativedelta(months=+2)
datetime.date(2011, 2, 28)
...
Length of string in bash
How do you get the length of a string stored in a variable and assign that to another variable?
8 Answers
...
Compare equality between two objects in NUnit
...
Override .Equals for your object and in the unit test you can then simply do this:
Assert.AreEqual(LeftObject, RightObject);
Of course, this might mean you just move all the individual comparisons to the .Equals method, but it would allow you to reuse tha...
Is there a way to @Autowire a bean that requires constructor arguments?
I'm using Spring 3.0.5 and am using @Autowire annotation for my class members as much as possible. One of the beans that I need to autowire requires arguments to its constructor. I've looked through the Spring docs, but cannot seem to find any reference to how to annotate constructor arguments.
...
Remove leading comma from a string
...tring(1)
However, if you want to be able to detect if the comma is there and remove it if it is, then something like:
if (str[0] == ',') {
str = str.substring(1);
}
share
|
improve this answe...
How to get ERD diagram for an existing database?
...alled referential integrity constraints) in a graph style. The table nodes and relations are layed out automatically, with a number of layout modes available. The resulting graph is unique as it displays all information in an optimal and readable layout.
from its site
...
How to “pretty” format JSON output in Ruby on Rails
...client-side debugging as any tools worth their salt (eg. Firebug) already handle prettyprinting JSON.
– lambshaanxy
Sep 20 '11 at 3:37
8
...
strdup() - what does it do in C?
...hat it sounds like, assuming you're used to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-)
Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code:
char *strdup(const char *...
Best way to do Version Control for MS Excel
... systems have you used with MS Excel (2003/2007)? What would you recommend and Why? What limitations have you found with your top rated version control system?
...