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How to convert an NSTimeInterval (seconds) into minutes
...it | NSDayCalendarUnit | NSMonthCalendarUnit;
NSDateComponents *conversionInfo = [sysCalendar components:unitFlags fromDate:date1 toDate:date2 options:0];
NSLog(@"Conversion: %dmin %dhours %ddays %dmoths",[conversionInfo minute], [conversionInfo hour], [conversionInfo day], [conversionInfo month...
What does “zend_mm_heap corrupted” mean
...al.
==9749== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==9749== Command: ./corrupt
==9749==
==9749== Invalid read of size 8
==9749== at 0x4005F7: main (an.c:10)
==9749== Address 0x51fc068 is 24 bytes after a block of size 16 in arena "client"
==9749==
==9749== Invalid ...
What's default HTML/CSS link color?
...y close, taking a screenshot, and visiting a website like html-color-codes.info that will convert a screenshot to a color code.
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How to find the JVM version from a program?
...lementation version which may be interpreted as a Runtime.Version
java.vm.info "mixed mode, sharing" "mixed mode" "mixed mode" Undocumented
java.vm.specification.name "Java Virtual Machin...
Convert datetime object to a String of date only in Python
...12, 2, 23, 0, 0)
t.strftime('%m/%d/%Y')
will yield:
'02/23/2012'
More information about formatting see here
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Ruby Array find_first object?
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more info: [1,2,3,5,2].find { |n| puts n; n == 2 } iteration stops once it finds the first element it matches.
– rajuGT
Apr 4 '17 at 13:23
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psql: could not connect to server: No such file or directory (Mac OS X)
...ppears when you upgrade postgres to a major version using brew; using brew info postgresql found out this that helped:
To migrate existing data from a previous major version of PostgreSQL run:
brew postgresql-upgrade-database
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Command line CSV viewer? [closed]
...y-table
cat data.csv | tty-table
It can also handle streams.
For more info, see the docs for terminal usage here.
throw Error('msg') vs throw new Error('msg')
...y",
context: this,
args: arguments,
more:'More custom info here'};
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...roblem is that WebKit browsers (Safari and Chrome) load JavaScript and CSS information in parallel. Thus, JavaScript may execute before the styling effects of CSS have been computed, returning the wrong answer. In jQuery, I've found that the solution is to wait until document.readyState == 'complete...