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How do you declare an interface in C++?
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To expand on the answer by bradtgmurray, you may want to make one exception to the pure virtual method list of your interface by adding a virtual destructor. This allows you to pass pointer ownership to another party without expos...
How can I apply a border only inside a table?
...IT: A little more info on those pseudo-classes can be found on quirksmode, and, as to be expected, you are pretty much S.O.L. in terms of IE support.
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Is it unnecessary to put super() in constructor?
... or protected or, if both classes are in the same package, package access; and
Default constructor: the public no-args constructor added by the compiler when there is no explicit constructor in the class.
So all classes have at least one constructor.
Subclasses constructors may specify as the fir...
AngularJS - convert dates in controller
...rkup/input.date.html
NOTE: use of pattern="" with type="date" looks non-standard, but it appears to work in the expected way in Chrome 31.
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What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
21
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Scaling Node.js
...vered safe because they have experts testing there login-systems for holes and the also don't transmit passwords via plain-text but thank for god use https. I also have answered a topic for a user who wanted to use facebook-connect.
validation of input data
To validate input you could use node-val...
Is it safe to assume a GUID will always be unique?
...h. There are so many GUIDs that if you generate several trillion of them randomly, you're still more likely to get hit by a meteorite than to have even one collision (from Wikipedia). And if you aren't generating them randomly, but are e.g. using the MAC-address-and-time-stamp algorithm, then they...
How can I reverse the order of lines in a file?
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BSD tail:
tail -r myfile.txt
Reference: FreeBSD, NetBSD, OpenBSD and OS X manual pages.
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Drop a temporary table if it exists
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You could also consider truncating the table instead rather than dropping and recreating.
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
TRUNCATE TABLE ##CLIENTS_KEYWORD
ELSE
CREATE TABLE ##CLIENTS_KEYWORD
(
client_id INT
)
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“cannot resolve symbol R” in Android Studio
...in all of my classes where I reference R.id.something , the R is in red and it says "cannot resolve symbol R". Also every time there is R.layout.something it is underlined in red and says "cannot resolve method setContentView(?)". The project always builds fine. It is annoying to see this all ...