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How to solve “Fatal error: Class 'MySQLi' not found”?
...talled)
– auspicious99
Dec 3 '18 at 10:46
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PostgreSQL: Which Datatype should be used for Currency?
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If you want to support arbitrary currencies, never make a scale equal to 2 (in postgresql terms, precision is a number of all digits, e.g. in 121.121 it's equal to 6). There are currencies, such as Bahrain Dinar, where 1000 sub-units equal one unit, ...
How can I define colors as variables in CSS?
... What's your OS? It worked for me: Version 49.0.2623.110 (64-bit) on Mac OS X
– Arthur Weborg
Apr 7 '16 at 20:58
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Is there any async equivalent of Process.Start?
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@svick In window form, process.SynchronizingObject should be set to forms component to avoid methods that handle events (such as Exited, OutputDataReceived, ErrorDataReceived) are called on separated thread.
– Kev...
Hiding user input on terminal in Linux script
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A bit different from (but mostly like) @lesmana's answer
stty -echo
read password
stty echo
simply: hide echo
do your stuff
show echo
share
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Non-Relational Database Design [closed]
...HTML. (HUGE!!)
For normal webapps, document/JSON-based DBs are a massive win, and the drawbacks of less flexible queries and some extra code for data validation seems a small price to pay.
Have you hit your head against anything that seems impossible?
Not yet. Map/reduce as a means of querying a...
Meaning of epsilon argument of assertEquals for double values
...ision. If you want to assert that a double value is 0D epsilon would be 0 (100% accuracy, no exceptions). If you want a margin of error (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De...
How can I select an element with multiple classes in jQuery?
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@Rice: This one will be a little bit slower, because it will build a list of objects with class "a" first, then remove all but those that have class "b", whereas mine does this in one step. But otherwise, no difference.
– Sasha Chedygov...
Is there an ExecutorService that uses the current thread?
...ronized access based upon the code that is actually here. Operations on 32-bit fields are atomic in Java.
– Christopher Schultz
Dec 15 '16 at 2:24
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Performance of FOR vs FOREACH in PHP
...ify inline)...
As for the iterators, foreach is equivalent to:
$it->rewind();
while ($it->valid()) {
$key = $it->key(); // If using the $key => $value syntax
$value = $it->current();
// Contents of loop in here
$it->next();
}
As far as there being faster w...