大约有 852 项符合查询结果（耗时：0.0312秒） [XML]
Can anyone explain IEnumerable and IEnumerator to me? [closed]
...n the interface in the background when necessary.
Adapted from the Pro C# 5.0 and the .NET 4.5 Framework
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Object comparison in JavaScript [duplicate]
...ou should use identical comparison operator: ===, cause { a: 5 } and { a: "5.0" } aren't equal, or are they?
– Crozin
Oct 3 '10 at 20:14
...
Waiting until two async blocks are executed before starting another block
...^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Block1 End");
});
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block2
NSLog(@"Block2");
[NSThread sleepForTimeInterval:8.0];
NSLog(@"Block2 ...
Can “using” with more than one resource cause a resource leak?
...
That's 8.13 in the C# Specification version 5.0, btw.
– Ben Voigt
Jan 14 '14 at 16:14
11
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How do I set a cookie on HttpClient's HttpRequestMessage
...rlencoded");
httpRequestMessage.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36");
httpRequestMessage.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp...
Sleep until a specific time/date
...00 2020
^C
HiRes time with bash under GNU/Linux
Recent bash, from version 5.0 add new $EPOCHREALTIME variable with microseconds. From this there is a sleepUntilHires function.
sleepUntilHires () { # args [-q] <HH[:MM[:SS]]> [more days]
local slp tzoff now quiet=false musec musleep;
[ ...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...t work in all hosts, does not work when there is no host, and (prior to PS 5.0) cannot be suppressed, captured, or redirected. Instead, use Write-Output, Write-Verbose, or Write-Information.
See the documentation behind that rule for more information. Excerpts for posterity:
The use of Write-H...
Create Generic method constraining T to an Enum
...se<SomeEnum>("value");
Note: this is specifically stated in the C# 5.0 language specification:
If type parameter S depends on type parameter T then:
[...] It is valid for
S to have the value type constraint and T to have the reference type
constraint. Effectively this limits T to t...
Why use the SQL Server 2008 geography data type?
...
If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like:
private Facility GetNearestFacilityToJobsite(DbGeography jobsite)
{
var q1 = from f in context.Facilities
let distance = f.Geocode.Distance(jobsite)
...
Version vs build in Xcode
...t file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will load the project settings editor.
On the left-hand side of the center window pane, click on your app und...