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How do you cast a List of supertypes to a List of subtypes?
... string. It works great when input is List<Long>,List<Boolean>,etc. Thanks!
– Chris Sprague
Jun 10 '14 at 16:32
...
Qt: *.pro vs *.pri
...e if you wish. You could also include .pri files in different subprojects, etc. It is very nice.
The syntax is the same, however, for both the .pro and .pri files. In the end, you would run qmake on the .pro files, and that is also what qmake generates for you if you do not have a project file exist...
What is the best Java email address validation method? [closed]
...of the address (left-hand side, right-hand side, personal names, comments, etc), to parse/validate mailbox-list headers, to parse/validate the return-path (which is unique among the headers), and so forth.
The code as written has a javamail dependency, but it's easy to remove if you don't want the ...
Double not (!!) operator in PHP
...for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
...
How do I reset a sequence in Oracle?
..._DIFF. Could you let me know how you generated the script, which procedure etc.? I would try to test it too.
– Lalit Kumar B
May 8 '15 at 9:38
...
Replace a newline in TSQL
...whitespace) extended forms of whitespace (tab, line-feed, carriage-return, etc.), so it's been renamed as "CleanAndTrim" from my original answer. The idea here is that your string doesn't need such extra special-whitespace characters inside it, and so if they don't occur at the head/tail, they shou...
Custom fonts and XML layouts (Android)
...ext context, AttributeSet attrs) {
super(context, attrs);
setCustomFont(context, attrs);
}
public TextViewPlus(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setCustomFont(context, attrs);
}
private void setCust...
What is a good choice of database for a small .NET application? [closed]
...file corresponding to the language you are using in your program (C++, C#, etc). There are no other services or programs required. Also, it should work on a network with concurrent users. We have a copy up and running on a server where I work and it works great. You can look more into concurrency he...
Why can I add named properties to an array as if it were an object?
... studying the theories of Automata, Recursive Functions, Formal Languages, etc. and as such not as palatable. However, the strengths of these formal considerations are clearly manifest in Javascript particularly as implemented in FF's Gecko engine (ie. .toSource()).
The Object definition for Func...
Interface or an Abstract Class: which one to use?
...ful, but can come in handy in some architectures.
– netcoder
Jun 16 '11 at 14:18
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