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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
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105
The compiler can't generally transform
for (int c = 0; c < arraySize; ++c)
if (data[c]...
Bash function to find newest file matching pattern
...ameter -t to sort by time. You can then grab the first (newest) with head -1.
ls -t b2* | head -1
But beware: Why you shouldn't parse the output of ls
My personal opinion: parsing ls is only dangerous when the filenames can contain funny characters like spaces or newlines. If you can guarantee t...
How to trim a file extension from a String in JavaScript?
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189
If you know the length of the extension, you can use x.slice(0, -4) (where 4 is the three char...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
I am trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP.
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How to handle back button in activity
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edited Aug 2 '16 at 22:23
PaulR
3,11711 gold badge1818 silver badges3232 bronze badges
answe...
What is the difference between an int and a long in C++?
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112
It is implementation dependent.
For example, under Windows they are the same, but for examp...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
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21
Let me describe the sequence of actions using screenshots:
Open your Tomcat Run/Debug configur...
Browse the files created on a device by the iOS application I'm developing, on workstation?
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185
In Xcode's Organiser, go to your device's Summary tab. Find your application in the list, and ...
How to change a nullable column to not nullable in a Rails migration?
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edited Mar 17 '18 at 12:42
Dorian
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