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What is the correct answer for cout
...P0145R3 Refining Expression Evaluation Order for Idiomatic C++ for more details.
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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...
What is the dependency inversion principle and why is it important?
... should depend upon abstractions.
Abstractions should never depend upon details. Details should depend upon abstractions.
As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites.
Effectivel...
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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