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When should I make explicit use of the `this` pointer?
...one (and should be done) when overloading operator+, operator-, operator=, etc:
class Foo
{
Foo& operator=(const Foo& rhs)
{
return * this;
}
};
Doing this permits an idiom known as "method chaining", where you perform several operations on an object in one line of code. Such a...
Android error: Failed to install *.apk on device *: timeout
...ne and it just wouldn't allow the install (even with changing the timeout, etc.). Tried a different cable and ta-da, it worked. Thanks!
– fatfreddyscat
Mar 8 '12 at 18:02
2
...
Call Activity method from adapter
...
replace with your own class names where you see your code, your activity etc.
If you need to use this same adapter for more than one activity then :
Create an Interface
public interface IMethodCaller {
void yourDesiredMethod();
}
Implement this interface in activities you require to ha...
How do I get an ISO 8601 date on iOS?
...ateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"];
[dateFormatter setCalendar:[NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian]];
NSDate *now = [NSDate date];
NSString *iso8601String = [dateFormatter stringFromDate:now];
And in Swift:
let dateFormatter = DateFormatter()
l...
How to list all Git tags?
...t on remote
To put it simple, if you are trying to do something like git fetch -p -t, it will not work starting with git version 1.9.4.
However, there is a simple workaround that still works in latest versions:
git tag -l | xargs git tag -d // remove all local tags
git fetch -t ...
How to name factory like methods?
...to bring into existence by shaping or changing material, combining parts, etc.” For example, you don’t create a dress, you make a dress (object). So, in my opinion, “make” by meaning “to produce; cause to exist or happen; bring about” is a far better word for factory methods.
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Regex - how to match everything except a particular pattern
...
i think the last regex would also not match 009, 019... etc
– Sebastian Viereck
Sep 26 '13 at 10:03
1
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Filter dataframe rows if value in column is in a set list of values [duplicate]
... isin only works for perfect matched, it accepts dataframes, Series, Index etc.. @jakevdp provided a great solution here, which works to extract the matching values of df1, given another dataframe df2:stackoverflow.com/a/33282617/4752883. In my case, I have a df2, but the values in df2 wont be exact...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
... + 86400 ) {
$thisDate = date( 'Y-m-d', $i ); // 2010-05-01, 2010-05-02, etc
}
When using PHP with a timezone having DST, make sure to add a time that is not 23:00, 00:00 or 1:00 to protect against days skipping or repeating.
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Check if a value is in an array (C#)
...ist)printer).Contains("Jupiter") which is non-generic (may box value types etc.) and works even for multi-dimensional arrays. And since .NET 2.0 we have the more magical ((IList<string>)printer).Contains("Jupiter") which is more type-safe. The Linq approach was new in .NET 3.5.
...