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Get integer value from string in swift
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Instead of putting ! on the call, you can declare your variable as optional: someNumb: Int? = stringNumber.toInt(). Then the type safety system will be aware that foo may not exist. Putting ! will of course crash if your string can't convert to a number....
How to programmatically click a button in WPF?
...rmClick() method in WPF, is there a way to click a WPF button programmatically?
8 Answers
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Check if table exists without using “select from”
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@Filype this is not really an issue, as he is only checking if the query succeeded or not. In the case where the table has no rows, the query will still succeed, just with an empty result set.
– Bill Dami
Aug...
Python String and Integer concatenation [duplicate]
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Backticks are all sorts of silly.
– habnabit
May 17 '10 at 8:58
3
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How to Get True Size of MySQL Database?
...ld the table from scratch. When databases store information on disks, they allocate it in blocks; deleting a record often frees a block between used blocks, and it's very expensive to shift all of the other blocks around to use that space up so it is marked as "free". The space may be used later by ...
Kotlin: how to pass a function as parameter to another?
...Since Kotlin 1.1 you can now use functions that are class members ("Bound Callable References"), by prefixing the function reference operator with the instance:
foo("hi", OtherClass()::buz)
foo("hi", thatOtherThing::buz)
foo("hi", this::buz)
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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
I am having a problem installing installing the canvas module in node..It seems to be something with cairo I am getting this error...
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How to create a multiline UITextfield?
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UITextField is specifically one-line only.
Your Google search is correct, you need to use UITextView instead of UITextField for display and editing of multiline text.
In Interface Builder, add a UITextView where you want it and select the "editab...
How to convert a char array back to a string?
...ver, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a bundle of chars terminat...
Best introduction to C++ template metaprogramming? [closed]
...programming (aka "template metaprogramming") is a great C++ technique that allows the execution of programs at compile-time. A light bulb went off in my head as soon as I read this canonical metaprogramming example:
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