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Default parameters with C++ constructors [closed]
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And now, 5 years later, C++11 has added delegating constructors and default member initialization in the class definition, making the default parameter workaround unnecessary: en.wikipedia.org/wiki/C%2B%2B11#Object_construction_i...
How to Correctly handle Weak Self in Swift Blocks with Arguments
...e closure use [weak self].
If self will never be nil in the closure use [unowned self].
If it's crashing when you use [unowned self] I would guess that self is nil at some point in that closure, which is why you had to go with [weak self] instead.
I really liked the whole section from the manual...
Downcasting in Java
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@UnKnown: it shouldn't. Double check that you actually compiled and ran that version and if you can still reproduce it, post a separate question (with an SSCCE).
– Joachim Sauer
Apr 20 '16 a...
MySQL: Set user variable from result of query
...ame} and this '{variable_name}', we can replace it with our variable name.
Now, how to assign a value in a variable in mysql. For this we have many ways to do that
Using keyword 'SET'.
Example :-
mysql > SET @a = 1;
Without using keyword 'SET' and using ':='.
Example:-
mysql > @a:=1;
B...
About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
...!), shell options with set and shopt, etc. For an example, see: My .bashrc
Now, as part of UNIX peculiarity, a login-shell does NOT execute ~/.bashrc but only ~/.profile or ~/.bash_profile, so you should source that one manually from the latter. You'll see me do that in my ~/.profile too: source ~/...
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
... 1.1mm; what about 7 and 6 ? (I'm not good at maths). I'm using double for now but would like to check if I could gain in distance calculations by changing type. Thank you.
– Alain Zelink
Feb 26 '16 at 12:50
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Paste text on Android Emulator
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As of January 2018 there is a known bug in the current emulator version where this occasionally stops working. As a workaround, click the "..." icon, go to Settings, and toggle the "Enable clipboard sharing" setting off and on. (Source)
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A generic list of anonymous class
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okay cool, now we need an example of replacing the new {} lines with a select statement. var list = sourceList.Select( o => new { ...
NSUserDefaults not cleared after app uninstall on simulator
...m from a physical device running iOS8.
A quick and annoying solution for now is to click, iOS Simulator -> Reset Content and Settings.
Xcode 9.2 with Simulator 10 still presents this issue. Menu option is now Hardware .. Erase All Content and Settings
I submitted a bug report btw
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Javascript heredoc
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I know but I hope to find heredoc hack :)
– VeroLom
Dec 7 '10 at 12:21
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