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Get the time difference between two datetimes
... [Math.floor(diff.asHours()), diff.minutes(), diff.seconds()].join(':') in order to get the desired result. without a decimal in the first part
– KyleM
Aug 2 '17 at 23:08
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Restore LogCat window within Android Studio
...rect device is still selected, restart adb, disconnect/connect the device, etc. :-(
– raudi
Mar 17 '15 at 8:14
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SQL Server insert if not exists best practice
...have some "old" and "new" fields - oldEmail, newEmail, oldPhone, newPhone, etc. That way you can form a composite key, in Competitors, from CompetitorName, Email, and Phone.
Then when you have some competition results, you can truncate and reload your CompetitionResults table from your excel sheet ...
How to detect if a script is being sourced
...ipt or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
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Difference between Python's Generators and Iterators
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Higher-order functions passing around generators or generator functions may sound weird, but for me they have been coming up. I'm working in Apache Spark and it enforces a very functional programming style. The functions have to cre...
Why is the .bss segment required?
...mple part of the .data section. But the details vary depending on the o/s etc.
– Jonathan Leffler
Aug 16 '16 at 18:42
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vim deleting backward tricks
...u're at the last letter, because in standard editors like notepad++, gedit etc. you can easily use CTRL+Backspace... except from that vim is excellent.
– itmuckel
Jul 4 '15 at 9:35
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Version vs build in Xcode
...ne Simulator Version/Build numbers are the same way, as are iPhones, Macs, etc.
3.2: (7W367a)
4.0: (8A400)
4.1: (8B117)
4.2: (8C134)
4.3: (8H7)
Update: By request, here are the steps to create a script that runs each time you build your app in Xcode to read the Build number, increment it, and wr...
What does “program to interfaces, not implementations” mean?
...downside of the first approach?
There is the overhead of finding a company etc. Unless you are a rental car company, it may not be worth the effort.
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Is the 'override' keyword just a check for a overridden virtual method?
...es, only irregularities like missing const or writing char instead of int, etc.
– legends2k
Oct 20 '13 at 13:07
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