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Java: How to set Precision for double value? [duplicate]
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This answer doesn't start from a double value, which rules it out of court immediately, and it doesn't deliver a correct result in all cases, because it can't. It's impossible.
– Marquis of Lorne
Mar 1 '19 ...
Using ls to list directories and their total sizes
...$0); print $0} }'
Awk code explained:
if($1 == "total") { // Set X when start of ls is detected
X = 1
} else if (!X) { // Until X is set, collect the sizes from `du`
SIZES[$2] = $1
} else {
// Replace the size on current current line (with alignment)
sub($5 "[ ]*", sprintf("%-7s ", SIZES...
How to retry after exception?
I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ).
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javac : command not found
...Unix type systems (is CentOS some kind of Unix?) you have to specify ./ to start something in the current directory. Feel free to reedit, if my edits get approved.
– user unknown
Mar 23 '11 at 15:53
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php is null or empty?
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@Robert: A string not starting with digits is converted to 0 when cast to a string: codepad.org/qi40SG3E. So (int)"php" == 0.
– Felix Kling
Nov 27 '13 at 21:58
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How do you redirect HTTPS to HTTP?
...would still see a big red warning because of invalid certificate. Once you start to use https, you are basically stuck with it. Be prepared to pay for it throughout the rest of your life. If you stop paying, people who bookmarked the https links will not be able to come through.
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How to float 3 divs side by side using CSS?
... are placed side by side and not in the next lines(as block level elements start and end with a line break). Does float have some other affect on it also?
– Ashwin
Mar 31 '13 at 1:58
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How to extract year and month from date in PostgreSQL without using to_char() function?
...timestamp_column)::date
It will maintain the date format with all months starting at day one.
Example:
2016-08-01
2016-09-01
2016-10-01
2016-11-01
2016-12-01
2017-01-01
2nd Option
to_char(timestamp_column, 'YYYY-MM')
This solution proposed by @yairchu worked fine in my case. I really wanted...
Integer to hex string in C++
... @Alex yes, it is 2014 after all... heaven forbid we'll have to start dealing with C++14 soon.
– Alex
Jun 22 '14 at 13:53
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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
... FYI: I had to turn my node assist OFF, invalid caches and restart WebStorm and then turn it back ON to get it working. WebStorm 2018.3.5
– Reactgular
Feb 28 '19 at 15:47
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