大约有 47,000 项符合查询结果（耗时：0.0552秒） [XML]
How to get the difference between two arrays in JavaScript?
...
May I know what will happen when var a1 = ['a', 'b']; and var a2 = ['a', 'b', 'c', 'd', 'b'];, it will return wrong answer, i.e. ['c', 'd', 'b'] instead of ['c', 'd'].
– skbly7
Oct 11 '15 at 23...
Regex for password must contain at least eight characters, at least one number and both lower and up
...avor, \W matches only ASCII characters. So you haven't changed that, and now you have to filter out whitespace characters. Furthermore, all the parentheses and {1,} quantifiers you added are pure noise, and removing the non-greedy (?) operators was pointless. There is no improvement here.
...
How can I install an older version of a package via NuGet?
...
This should now be the accepted answer as its the best solution with minimal effort.
– Peter
Oct 24 '14 at 7:53
...
Merge (with squash) all changes from another branch as a single commit
...ool feature! I love git. While I'll definitely be using this in the future now, I'd still recommend getting to know your way around rebase -i. It's a good skill to have, just in case you really did want to make them more than just one commit.
– Will Buck
Feb 10...
How do you write tests for the argparse portion of a python module? [closed]
...th parameter args=sys.argv[1:]. It already calls the ArgumentParser.parse_known_args-method. With argument args==None it will obtain them with args = _sys.argv[1:] where _sys is an alias for sys. (It might be an update since the answer was posted.)
– Thomas Fauskanger
...
.Net picking wrong referenced assembly version
...nd those dlls could be hanging on to old references. It's worth a shot, I know it's worked for me in the past.
– Chris Conway
Nov 16 '10 at 1:47
1
...
How do you downgrade rubygems?
...
Updated November 2011: Now that RVM's out, try running rvm install rubygems <version>.
share
|
improve this answer
|
...
How to count the number of occurrences of an element in a List
...ld always try composition rather than inheritance. Your implementation is now stuck to ArrayList when there may be times you want a LinkedList or other. Your example should have taken another LIst in its constructor/factory and returned a wrapper.
– mP.
Feb 5...
Is ServiceLocator an anti-pattern?
...rstand that it has dependencies if they are hidden using service location. Now, if we instead use dependency injection:
public class MyType
{
public MyType(IDep1 dep1, IDep2 dep2)
{
}
public void MyMethod()
{
dep1.DoSomething();
// new dependency
dep2.Do...
MySQL case insensitive select
...ic because of certain column values having insensitive case. We needed to know the difference between "GE1234" and "ge1234", they needed to be unique and stay logged that way. We set our column in create table statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
...