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How do you declare an interface in C++?
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As far I could test, it is very important to add the virtual destructor. I'm using objects created with new and destroyed with delete.
If you do not add the virtual destructor in the interface, then the destructor of the inherited class is...
Return empty cell from formula in Excel
...ng to have to use VBA, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match.
Something like:
For Each cell in SomeRange
If (cell.value = SomeTest) Then cell.ClearContents
Next
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Returning value from Thread
...A value gets changed inside the Thread and I'd like to return it to the test() method. Is there a way to do this?
8 Ans...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
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You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
I guess I'm not clear on how to do "and" tests. I wanted to make sure an argument existed which was working well with [ -e $VAR ] , but it turns out that was also evaluating as true on an empty string; which I do not want.
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Why would I prefer using vector to deque
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I think that good idea to make perfomance test of each case. And make decision relying on this tests.
I'd prefer std::deque than std::vector in most cases.
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Iterate over object attributes in python
...t; yc = YourClass()
>>> yc.one = range(15)
>>> yc.two = 'test'
>>> dict(yc)
{'one': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14], 'two': 'test'}
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Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
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Um…okay..I think I need to see this in an entire test project to fully see what you mean. I was able to replicate timeuser's example below but I'm still a little green with this one.
– Jeremy
Sep 24 '13 at 3:31
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
... return function(){
var clickedAt = +new Date;
// During tests on 3g/3gs this timeout fires immediately if less than 500ms.
setTimeout(function(){
// To avoid failing on return to MobileSafari, ensure freshness!
if (+new Date - clickedAt < 2000){
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SQL is null and = null [duplicate]
...ows by coding where my_column = null.
SQL provides the special syntax for testing if a column is null, via is null and is not null, which is a special condition to test for a null (or not a null).
Here's some SQL showing a variety of conditions and and their effect as per above.
create table t (x...