大约有 45,004 项符合查询结果（耗时：0.0567秒） [XML]
RGB to hex and hex to RGB
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edited Jan 3 at 15:36
answered Apr 11 '11 at 16:04
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Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ?
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Connection timeout for SQL server
... the timeout value to 0, you are specifying that your attempt to connect waits an infinite time. As described in the documentation, this is something that you shouldn't set in your connection string:
A value of 0 indicates no limit, and should be avoided in a
ConnectionString because an attemp...
Wait for a void async method
How can I wait for a void async method to finish its job?
6 Answers
6
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How and where are Annotations used in Java?
...bjects. Meta-objects are classes, fields and methods. Asking an object for its meta-object (e.g. anObj.getClass() ) is called introspection. The introspection can go further and we can ask a meta-object what are its annotations (e.g. aClass.getAnnotations). Introspection and annotations belong to wh...
GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
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It needs the system.web.http.webhost which is part of this package. I fixed this by installing the following package:
PM> Install-Package Microsoft.AspNet.WebApi.WebHost
or search for it in nuget https://www.nuget.org...
Limiting number of displayed results when using ngRepeat
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Slightly more "Angular way" would be to use the straightforward limitTo filter, as natively provided by Angular:
<ul class="phones">
<li ng-repeat="phone in phones | filter:query | orderBy:orderProp | limitTo:quantity">
{{phone.name}}
<p>{{phone.snippet}}</p&g...
How do you test functions and closures for equality?
... to support. There are
a variety of things that will cause pointer equality of functions (in
the swift type system sense, which includes several kinds of closures)
to fail or change depending on optimization. If "===" were defined on
functions, the compiler would not be allowed to merge id...
Copy file remotely with PowerShell
I am writing a PowerShell script that I want to run from Server A.
I want to connect to Server B and copy a file to Server A as a backup.
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How to check if a char is equal to an empty space?
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if (c == ' ')
char is a primitive data type, so it can be compared with ==.
Also, by using double quotes you create String constant (" "), while with single quotes it's a char constant (' ').
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