大约有 40,000 项符合查询结果(耗时:0.0459秒) [XML]
Why should I avoid using Properties in C#?
...erties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties?
In C# 3.0, with automatic properties, does this change?
...
Rails 3 check if attribute changed
...
Check out ActiveModel::Dirty (available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
share
...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...at with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
...
C/C++ NaN constant (literal)?
... Indeed, it's an option if you need obfuscation but not portability. Personally, I prefer portability without obfuscation, so I won't suggest it myself.
– Mike Seymour
May 22 '13 at 12:26
...
What resources exist for Database performance-tuning? [closed]
...tabase, this guide may also help.
http://download.oracle.com/docs/cd/B28359_01/server.111/b28274/toc.htm
share
|
improve this answer
|
follow
|
...
Split string, convert ToList() in one line
...ers
.Split(',')
.Where(x => int.TryParse(x, out _))
.Select(int.Parse)
.ToList();
share
|
improve this answer
|
follow
...
How to refresh an IFrame using Javascript?
...
var tmp_src = iframe.src; iframe.src = ''; iframe.src = tmp_src;
– lyfing
Jan 27 '15 at 8:28
2
...
How to select label for=“XYZ” in CSS?
... or some other structural way), sadly.
(I'm assuming that the template {t _your_email} will fill in a field with id="email". If not, use a class instead.)
Note that if the value of the attribute you're selecting doesn't fit the rules for a CSS identifier (for instance, if it has spaces or brackets...
How to remove not null constraint in sql server using query
...
or you can do : alter table table_name modify column_name type(30) NULL. 30 being the size of your column type, example: varchar(30)
– nr5
Sep 19 '12 at 18:11
...
How do I enter a multi-line comment in Perl? [duplicate]
...ng the Pod section:
=pod
my $object = NotGonnaHappen->new();
ignored_sub();
$wont_be_assigned = 37;
=cut
The quick-and-dirty method only works well when you don't plan to
leave the commented code in the source. If a Pod parser comes along,
your multiline comment is going to show up...
