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How do I get a class instance of generic type T?
I have a generics class, Foo<T> . In a m>me m>thod of Foo , I want to get the class instance of type T , but I just can't call T.class .
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Programmatically obtain the phone number of the Android phone
...gr.getLine1Number();
Required Permission:
<uses-permission android:nam>me m>="android.permission.READ_PHONE_STATE"/>
Caveats:
According to the highly upvoted comm>me m>nts, there are a few caveats to be aware of. This can return null or "" or even "???????", and it can return a stale phone number...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic m>me m>thod to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Find nearest value in numpy array
...wrong answer. This gives you the min of the absolute value distance, and som>me m>how we need to return the actual array value. We could add value and com>me m> close, but the absolute value throws a wrench into things...
– unutbu
Apr 2 '10 at 18:51
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How can I create a “Please Wait, Loading…” animation using jQuery?
...a small status on the page saying "Loading...", or as loud as an entire elem>me m>nt graying out the page while the new data is loading. The approach I'm taking below will show you how to accomplish both m>me m>thods.
The Setup
Let's start by getting us a nice "loading" animation from http://ajaxload.info
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Null coalescing in powershell
...7+
Powershell 7 introduces native null coalescing, null conditional assignm>me m>nt, and ternary operators in Powershell.
Null Coalescing
$null ?? 100 # Result is 100
"Evaluated" ?? (Expensive-Operation "Not Evaluated") # Right side here is not evaluated
Null Conditional Assignm>me m>nt
$x = $nul...
How to detect if app is being built for device or simulator in Swift
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Update 30/01/19
While this answer may work, the recomm>me m>nded solution for a static check (as clarified by several Apple engineers) is to define a custom compiler flag targeting iOS Simulators. For detailed instructions on how to do to it, see @mbelsky's answer.
Original answer
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Running SSH Agent when starting Git Bash on Windows
... ssh-add from this section then if you don't enter your passphrase first tim>me m> around you won't be asked again until you manually run ssh-add.
– Andy2K11
Apr 16 '18 at 11:15
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List comprehension vs. lambda + filter
...h to matter, and you shouldn't think much about performance until you've tim>me m>d your code and found it to be a bottleneck, but the difference will be there.
The other overhead that might apply is that the lambda is being forced to access a scoped variable (value). That is slower than accessing a loc...
Import / Export database with SQL Server Server Managem>me m>nt Studio
... I'm sure there is a simple way to do it but I can't manage to find it. Sham>me m> on m>me m>.
5 Answers
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