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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...lignment the view is moved to the top. For horizontal alignment this is usually the left-hand side. (But note, that on devices with right-to-left language setting this is the other way around, i.e. right aligned.)
Center: The view is centered.
End: Usually the view is bottom or right aligned. (On ri...
How to call Makefile from another Makefile?
I'm getting some unexpected results calling one makefile from another. I have two makefiles, one called /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have
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Getting the encoding of a Postgres database
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Because there's more than one way to skin a cat:
psql -l
Shows all the database names, encoding, and more.
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How to convert int to NSString?
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@DielsonSales some objects don't have stringValue, but all have description - so as a good practice it's better to get used to using description (NSNumber does, no need to worry here). Try this (description will print the date, but stringValue will crash): NSNumber *test = (id)[N...
Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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iOS: Convert UTC NSDate to local Timezone
...eIntervalSince1970:seconds];
NSDateFormatter* df_utc = [[[NSDateFormatter alloc] init] autorelease];
[df_utc setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
[df_utc setDateFormat:@"yyyy.MM.dd G 'at' HH:mm:ss zzz"];
NSDateFormatter* df_local = [[[NSDateFormatter alloc] init] autorelease];
[df_lo...
Override valueof() and toString() in Java enum
...o have spaces in them, but enums can't have spaces in their values so it's all bunched up. I want to override toString() to add these spaces where I tell it to.
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Access denied for user 'root@localhost' (using password:NO)
... @Bozho - I follow the instruction aand create a text file and call it from the mentioned command, after that I face with 100608 [warning] --default-character-set is deprecated and will be removed in a future release. please use --character-set-server instead .----------------------------...
What is the difference between memoization and dynamic programming?
...he computations of the subproblems overlap.
Dynamic programming is typically implemented using tabulation, but can also be implemented using memoization. So as you can see, neither one is a "subset" of the other.
A reasonable follow-up question is: What is the difference between tabulation (th...
How to determine the number of days in a month in SQL Server?
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All of the solutions mentioned here pale in comparison to the elegance of @Mikael Eriksson's answer. That works whenever a valid date is provided without crazy workarounds for niche cases and is far simpler code - I'd highly...