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How to simulate the environment cron executes a script with?
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note: if adding that to the global /etc/crontab, you'll need the username too. E.g. * * * * * root env > ~/cronenv
– Greg
Aug 20 '12 at 14:23
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Android 4.2: back stack behaviour with nested fragments
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The order for popping the backstack is not as I expected in this example. I believe you should first find the most deeply nested visible fragment in the tree and attempt to pop the backstack on that, then progressively move up th...
How much does it cost to develop an iPhone application? [closed]
...e. I included development time, graphic design time, project manager time, etc, etc. An app of the scale of the Obama app can be developed for significantly less.
– schwa
Oct 17 '08 at 15:31
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How can I clear previous output in Terminal in Mac OS X?
...unction cls { printf '\33c\e[3J\33c' } line in ~/.profile (or system-wide /etc/profile). This should work for desktop environments in macOS, FreeBSD, Linux etc. Note the extra \33c is for clearing the extra \e[3J literal in non-macOS (basically for Linux/FreeBSD, we only need printf '\33c').
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When should I use Arrow functions in ECMAScript 6?
...raw(book.currentPage + index, $page);
});
};
We must use function in order for each to bind this dynamically. We can't use an arrow function here.
Dealing with multiple this values can also be confusing, because it's hard to know which this an author was talking about:
function Reader() {
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How is an overloaded method chosen when a parameter is the literal null value?
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You can assign a string to a null value so it is valid and the order for java and most programming languages is fit to the closest type and then to object.
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Is there any sed like utility for cmd.exe? [closed]
...ve" option, but it's not installed on Windows by default; it has sed, grep etc. out of the box, though.
https://github.com/mbuilov/sed-windows offers recent 4.3 and 4.4 versions, which support -z option unlike listed upper ports
If you don't want to install anything and your system ain't a Windows...
Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...ts before the <?xml ?>
declaration. Most commonly this is a Byte Order Mark
(BOM).
Resolution:
Remove the BOM using techniques such as those suggested by the W3C
page on the BOM in HTML.
A stray <?xml ?> declaration exists within the XML content.
This can happen when XML files a...
Extracting hours from a DateTime (SQL Server 2005)
...date]) returns the hour in military time ( 00 to 23 )
If you want 1AM, 3PM etc, you need to case it out:
SELECT Run_Time_Hour =
CASE DATEPART(HOUR, R.date_schedule)
WHEN 0 THEN '12AM'
WHEN 1 THEN '1AM'
WHEN 2 THEN '2AM'
WHEN 3 THEN '3AM'
WHEN 4 THEN '4AM'
WHEN 5 THE...
Opacity CSS not working in IE8
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Correct, but: "In order to guarantee that users of both Internet Explorer 7 and 8 experience the filter, you can include both syntaxes listed above. Due to a peculiarity in our parser, you need to include the updated syntax first before the ol...