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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...to do this:
DEBUG VIEW HIERARCHY (Do not recommend this way)
Since you know where to find unexpected constraints (PBOUserWorkDayHeaderView) there is a way to do this fairly well. Lets find UIView and NSLayoutConstraint in red rectangles. Since we know their id in memory it is quite easy.
Stop ...
Is D a credible alternative to Java and C++? [closed]
Is the D language a credible alternative to Java and C++? What will it take to become a credible alternative? Should I bother learning it? Does it deserve evangelizing?
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Virtual member call in a constructor
...en you combine these two facts you are left with the problem that if you make a virtual method call in a constructor, and it is not the most derived type in its inheritance hierarchy, that it will be called on a class whose constructor has not been run, and therefore may not be in a suitable state t...
namespaces for enum types - best practices
...roject, you would not be guaranteed that two distinct enums don't both think they are called eFeelings
For simpler-looking code, I use a struct, as you presumably want the contents to be public.
If you're doing any of these practices, you are ahead of the curve and probably don't need to scrutiniz...
How to verify if a file exists in a batch file?
...
You can use IF EXIST to check for a file:
IF EXIST "filename" (
REM Do one thing
) ELSE (
REM Do another thing
)
If you do not need an "else", you can do something like this:
set __myVariable=
IF EXIST "C:\folder with space\myfile.txt" set __myV...
Difference between e.target and e.currentTarget
...
Ben is completely correct in his answer - so keep what he says in mind. What I'm about to tell you isn't a full explanation, but it's a very easy way to remember how e.target, e.currentTarget work in relation to mouse events and the display list:
e.target = The thing u...
Naming threads and thread-pools of ExecutorService
Let's say I have an application that utilizes the Executor framework as such
17 Answers
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...he difference between them is that the latter returns the same data type like timestamptz keeping your time zone intact (if you need it).
=> select date_trunc('day', now());
date_trunc
------------------------
2015-12-15 00:00:00+02
(1 row)
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How do HttpOnly cookies work with AJAX requests?
JavaScript needs access to cookies if AJAX is used on a site with access restrictions based on cookies. Will HttpOnly cookies work on an AJAX site?
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Press alt + numeric in bash and you get (arg [numeric]) what is that?
... which normally acts in a forward direction, that command will act in a backward direction. For example, to kill text back to the start of the line, you might type 'M-- C-k'.
The general way to pass numeric arguments to a command is to type meta digits before the command. If the first 'digit' typed ...