大约有 1,745 项符合查询结果（耗时：0.0283秒） [XML]
How to enumerate an enum
...amework do not support Enum.GetValues. Here's a good workaround from Ideas 2.0: Enum.GetValues in Compact Framework:
public Enum[] GetValues(Enum enumeration)
{
FieldInfo[] fields = enumeration.GetType().GetFields(BindingFlags.Static | BindingFlags.Public);
Enum[] enumerations = new Enum[fi...
What is the difference between a “function” and a “procedure”?
...and() or print("Hello"), etc. are not functions but procedures.
While sqrt(2.0) should be a function: there is no observable effect or state change no matter how often one calls it and it returns always 1.41 and some.
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How can I convert the “arguments” object to an array in JavaScript?
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In recent Firefox versions (2.0?) and ECMAScript 5, there's an Array.slice method that make this a little simpler. You would call it like this: var arge = Array.slice(arguments, 0);.
– Matthew Crumley
Jun 7 '09 at ...
Limit labels number on Chart.js line chart
...cording to the chart.js github issue #12. Current solutions include:
Use 2.0 alpha (not production)
Hide x-axis at all when it becames too crowd (cannot accept at all)
manually control label skip of x-axis (not in responsive page)
However, after a few minutes, I thinks there's a better solution....
How to tell PowerShell to wait for each command to end before starting the next?
... -NoNewWindow -PassThru
$proc.WaitForExit()
Another option in PowerShell 2.0 is to use a background job:
$job = Start-Job { invoke command here }
Wait-Job $job
Receive-Job $job
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What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
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Fair Warning still applies Entity Framework Core 2.0 github.com/aspnet/EntityFrameworkCore/issues/1100
– ono2012
Oct 30 '17 at 19:23
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Programmatically get own phone number in iOS
...perty(nonatomic,readonly,retain) NSString *systemVersion; // e.g. @"2.0"
@property(nonatomic,readonly) UIDeviceOrientation orientation; // return current device orientation
@property(nonatomic,readonly,retain) NSString *uniqueIdentifier; // a string unique to each device based on va...
Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...sion.fetch(:comments, {}).fetch(@comment.id, {})["temp_value"]
From Ruby 2.0, you can do:
@myvar = session[:comments].to_h[@comment.id].to_h["temp_value"]
From Ruby 2.3, you can do:
@myvar = session.dig(:comments, @comment.id, "temp_value")
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Why can't variable names start with numbers?
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Well think about this:
int 2d = 42;
double a = 2d;
What is a? 2.0? or 42?
Hint, if you don't get it, d after a number means the number before it is a double literal
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Mercurial error: abort no username supplied
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Having installed "TortoiseHg 2.2 with Mercurial 2.0 - x86 Windows", the Mercurial.RC file can be found under C:\Program Files\TortoiseHg\hgrc.d
– urig
Nov 30 '11 at 7:36
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