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How can I make a UITextField move up when the keyboard is present - on starting to edit?
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You will only need a ScrollView if the contents you have now do not fit in the iPhone screen. (If you are adding the ScrollView as the superview of the components just to make the TextField scroll up when keyboard comes up, then it's not needed.)
The standard way to prevent the Tex...
Programmatically set the initial view controller using Storyboards
... set?
And you'll notice that your window property in the app delegate is now nil.
In the app's setting, go to your target and the Info tab. There clear the value of Main storyboard file base name. On the General tab, clear the value for Main Interface. This will remove the warning.
Create the wi...
Mongodb Explain for Aggregation framework
...gate(
[ ...your pipeline...],
{ explain: true }
)
Thanks to Rafa, I know that it was possible to do even in 2.4, but only through runCommand(). But now you can use aggregate as well.
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A Regex that will never be matched by anything
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Interestingly, my original with a simple literal that I "know" won't appear in my input turns out to be fastest, in Python. With a 5MB input string, and using this in a sub() operation, (?!x)x takes 21% longer, (?!()) is 16%, and ($^) 6% longer. May be significant in some cases, t...
Unique ways to use the Null Coalescing operator [closed]
I know the standard way of using the Null coalescing operator in C# is to set default values.
16 Answers
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What's the point of 'const' in the Haskell Prelude?
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Blog link in the answer is dead. It should now point here: brandon.si/code/…
– nsxt
Jul 11 '15 at 3:46
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Why are function pointers and data pointers incompatible in C/C++?
... pointer to objects.
The C99 Rationale says:
6.3.2.3 Pointers
C has now been implemented on a wide range of architectures. While some of these
architectures feature uniform pointers which are the size of some integer type, maximally
portable code cannot assume any necessary correspondence...
A fast method to round a double to a 32-bit int explained
...le is represented like this:
and it can be seen as two 32-bit integers; now, the int taken in all the versions of your code (supposing it's a 32-bit int) is the one on the right in the figure, so what you are doing in the end is just taking the lowest 32 bits of mantissa.
Now, to the magic num...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...ging the endpoints to match the FQDN of the server resolves my problem. I know this is not the only cause of this problem.
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How can one display images side by side in a GitHub README.md?
...at little trick if there is not enough space between the pictures. Didn't know github actually parses that.
– NullDev
Oct 17 '17 at 14:01
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