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How do I print a double value with full precision using cout?
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You can set the precision directly on std::cout and use the std::fixed format specifier.
double d = 3.14159265358979;
cout.precision(17);
cout << "Pi: " << fixed << d << endl;
You can #include <limits> to get the maximum precision of a floa...
MySQL error 2006: mysql server has gone away
I'm running a server at my office to process some files and report the results to a remote MySQL server.
28 Answers
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Using two CSS classes on one element [duplicate]
...l not matter so you can also reference it in css like so: .first.social {} and it will be the same as .social.first {}
– user1467439
Apr 3 '16 at 21:18
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Checking to see if one array's elements are in another array in PHP
... why in PHP docs about this function they say "Returns FALSE if var exists and has a non-empty, non-zero value. Otherwise returns TRUE. The following things are considered to be empty: array() (an empty array)"? Source: php.net/manual/en/function.empty.php
– Pere
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Show control hierarchy in the WinForms designer
...th a lot of controls on them. Some of those controls have a deep hierarchy and that makes it to hard to select them in the designer.
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Converting JavaScript object with numeric keys into array
...Query's $.map
var arr = $.map(obj, function(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Array.map
var arr = Object.keys(obj).map(function(k) { return obj[k] });
FIDDLE
That's assuming it's already...
How to show soft-keyboard when edittext is focused
...an EditText is focused (if the device does not have a physical keyboard) and I have two problems:
44 Answers
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Do spurious wakeups in Java actually happen?
Seeing various locking related question and (almost) always finding the 'loop because of spurious wakeups' terms 1 I wonder, has anyone experienced such kind of a wakeup (assuming a decent hardware/software environment for example)?
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Flushing footer to bottom of the page, twitter bootstrap
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Just in case you've read this answer and not scrolled down it's worth looking at the other answers
– MattyW
Sep 29 '13 at 11:05
4
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Convert json data to a html table [closed]
...t to define the columns, the library should read the keys in the json hash and generate columns.
4 Answers
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