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Purpose of returning by const value? [duplicate]
...ve non-const operation on an object, returning by const-value prevents you from accidentally calling this operation on a temporary. Imagine that + returned a non-const value, and you could write:
(a + b).expensive();
In the age of C++11, however, it is strongly advised to return values as non-con...
How to force file download with PHP
...it() should be called at the end to avoid any potential problems (speaking from experience :-)
– ykay says Reinstate Monica
Aug 20 '19 at 10:51
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AngularJS: Service vs provider vs factory
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From the AngularJS mailing list I got an amazing thread that explains service vs factory vs provider and their injection usage. Compiling the answers:
Services
Syntax: module.service( 'serviceName', function );
Result: When ...
How to close this ssh tunnel? [closed]
... of the command:
ssh: that's pretty self-explanatory. Invokes ssh.
-f: (From the man ssh page)
Requests ssh to go to background just before command execution.
This is useful if ssh is going to ask for passwords or
passphrases, but the user wants it in the background.
E...
Get yesterday's date in bash on Linux, DST-safe
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you can use
date -d "30 days ago" +"%d/%m/%Y"
to get the date from 30 days ago, similarly you can replace 30 with x amount of days
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Wait for page load in Selenium
...r> wait = new OpenQA.Selenium.Support.UI.WebDriverWait(driver, TimeSpan.FromSeconds(30.00));
wait.Until(driver1 => ((IJavaScriptExecutor)driver).ExecuteScript("return document.readyState").Equals("complete"));
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How do I programmatically determine operating system in Java?
...10 and yet os.name gives me Windows 8.1. Why is that? Where is this coming from?
– Brian
Feb 7 '16 at 19:59
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What is a message pump?
...tchMessage(&msg);
}
The GetMessage() Win32 API retrieves a message from Windows. Your program typically spends 99.9% of its time there, waiting for Windows to tell it something interesting happened. TranslateMessage() is a helper function that translates keyboard messages. DispatchMessage...
Xcode 5 & Asset Catalog: How to reference the LaunchImage?
...und image of my home view (a pretty common practice to make the transition from 'loading' to 'loaded' look smooth).
14 Answ...
When do we need curly braces around shell variables?
...explicitness, I find it important to mention that $() executes its command from a subshell.
– Adrian Günter
Aug 24 '15 at 2:18
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