大约有 40,000 项符合查询结果(耗时:0.0256秒) [XML]
C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
...r function, then you can initialize it to any value you want.
static void test(DateTime? dt = null)
{
if (dt == null)
{
dt = new DateTime(1981, 03, 01);
}
//...
}
You can call it with a named parameter like this:
test(dt: new DateTime(2010, 03, 01));
And with the defau...
Stashing only un-staged changes in Git
...anges after staging them? – Shin
A: Because you should always checkin tested code :) That means, you need to run the tests with only the changes you are about to commit
All this apart from the fact that of course, as an experienced programmer, you have the innate urge to test and review just t...
Optimise PostgreSQL for fast testing
...
First, always use the latest version of PostgreSQL. Performance improvements are always coming, so you're probably wasting your time if you're tuning an old version. For example, PostgreSQL 9.2 significantly improves the speed of TRUNCATE and of cou...
Get Current Area Name in View or Controller
... our app on ASP.NET Core 2.0 and is still working now in ASP.NET Core 2.1 (tested moments ago).
– zerox981
Oct 30 '18 at 15:02
...
Basic http file downloading and saving to disk in python?
...
A clean way to download a file is:
import urllib
testfile = urllib.URLopener()
testfile.retrieve("http://randomsite.com/file.gz", "file.gz")
This downloads a file from a website and names it file.gz. This is one of my favorite solutions, from Downloading a picture via url...
When is it acceptable to call GC.Collect?
...
I use GC.Collect only when writing crude performance/profiler test rigs; i.e. I have two (or more) blocks of code to test - something like:
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
TestA(); // may allocate lots of transient objects
GC.Collect(GC.MaxGeneration, GCCollectio...
Parse JSON String into a Particular Object Prototype in JavaScript
...AN BE OVERLOADED WITH AN OBJECT
{
this.a = 3;
this.b = 2;
this.test = function() {return this.a*this.b;};
// IF AN OBJECT WAS PASSED THEN INITIALISE PROPERTIES FROM THAT OBJECT
for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prin...
Add a new item to a dictionary in Python [duplicate]
...lt_data + {'item3': 3}
{'item2': 2, 'item3': 3, 'item1': 1}
>>> {'test1': 1} + Dict(test2=2)
{'test1': 1, 'test2': 2}
Note that this is more overhead then using dict[key] = value or dict.update(), so I would recommend against using this solution unless you intend to create a new dictionar...
jQuery Mobile: document ready vs. page events
...;div data-role="content">
<a href="#" data-role="button" id="test-button">Test button</a>
</div>
<div data-theme="a" data-role="footer" data-position="fixed">
</div>
</div>
To execute code that will only available to the index page we co...
How to get the children of the $(this) selector?
...
If the node is a direct child, wouldn't it be fastest to just do $(this).children('img'); ?
– adamyonk
Aug 5 '11 at 11:58
11
...
