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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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How do I add PHP code/file to HTML(.html) files?
...ml file is confusing and anti-natural. Why would you do that??
Anyway, if what you want is to execute PHP files and show them as .html in the address bar, an easiest solution would be using .php as normal, and write a rule in your .htaccess like this:
RewriteRule ^([^.]+)\.html$ $1.php [L]
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problem with and :after with CSS in WebKit
...ay: none;
}
I have used FontAwesome.io for my new arrow, but you can use whatever else you want. Obviously this is not a perfect solution, but depending on your needs it might be enough.
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Difference between volatile and synchronized in Java
...cute concurrently, and the second to do with when the effects in memory of what has been done are visible to other threads. Because each CPU has several levels of cache between it and main memory, threads running on different CPUs or cores can see "memory" differently at any given moment in time be...
What are the differences among grep, awk & sed? [duplicate]
...awk and sed are text processors. Not only do they have the ability to find what you are looking for in text, they have the ability to remove, add and modify the text as well (and much more).
awk is mostly used for data extraction and reporting. sed is a stream editor
Each one of them has its own f...
What are the disadvantages of using persistent connection in PDO
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What is the equivalent for PDO Postgres persistent connections? I have similar issues like @Charles had, where after a while users would be getting error like fetch sql - server closed the connection unexpectedly This probabl...
What is the string concatenation operator in Oracle?
What is the string concatenation operator in Oracle SQL?
5 Answers
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HTML5 check if audio is playing?
What's the javascript api for checking if an html5 audio element is currently playing?
9 Answers
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How to force R to use a specified factor level as reference in a regression?
...r issue and found that:
lm(x ~ y + relevel(b, ref = "3"))
does exactly what you asked.
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Why does Ruby have both private and protected methods?
...ethod really is meant to be private only to the current instance. This is what removing the option of an explicit receiver provides.
On the other hand, I should certainly point out that it's pretty common in the Ruby community to not use these visibility controls at all, given that Ruby gives you ...