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Is there any particular difference between intval and casting to int - `(int) X`?
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I did benchmarking on ideone - (int) typecast is faster x 2 ! (int):ideone.com/QggNGc , intval():ideone.com/6Y8mPN
– jave.web
Aug 12 '14 at 18:32
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Is there a way to include commas in CSV columns without breaking the formatting?
...alue",field4, etc...
See wikipedia.
Updated:
To encode a quote, use ", one double quote symbol in a field will be encoded as "", and the whole field will become """". So if you see the following in e.g. Excel:
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| regular_value |,,,"| ,"", |""" |"|
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How to calculate an angle from three points? [closed]
...'re using a commercial operating system that makes it difficult to type exponents, I expect there would be keycaps applications you could buy, or maybe a browser plug-in you could install. Or you can websearch and copy and paste.)
– Michael Scheper
Mar 3 '15 at...
Check if option is selected with jQuery, if not select a default
... check if there is an option selected in a select menu, and if not, assign one of the options as selected.
18 Answers
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How do I tell Git to ignore everything except a subdirectory?
...yalex I found out that it fixes itself if I delete the local repo and re-clone it, it must be a bug.
– LB--
Aug 25 '14 at 18:44
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What is Android keystore file, and what is it used for?
... I would provide is that a keystore file is to authenticate yourself to anyone who is asking. It isn't restricted to just signing .apk files, you can use it to store personal certificates, sign data to be transmitted and a whole variety of authentication.
In terms of what you do with it for Android...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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Javascript set img src
...y generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
10 Ans...
How to change Xcode Project name
I have developed my app in Xcode for iPhone, in start I have just named it without secnec now I want to change my app name I have replace my old app name with new one as I have found the name in my app, but its still giving me one error...
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Copy a file in a sane, safe and efficient way
...od way to copy a file (binary or text). I've written several samples, everyone works. But I want hear the opinion of seasoned programmers.
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