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How to convert a string to lower case in Bash?

..."$1" ;; esac } word="I Love Bash" for((i=0;i<${#word};i++)) do ch="${word:$i:1}" lc "$ch" done Note: YMMV on this one. Doesn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematc...
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Why do we check up to the square root of a prime number to determine if it is prime?

To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number? ...
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How to write iOS app purely in C

...nt UIApplicationMain(int, ...); // Entry point of the application. If you don't know what this is by now, // then you probably shouldn't be reading the rest of this post. int main(int argc, char *argv[]) { // Create an @autoreleasepool, using the old-stye API. // Note that while NSAutorel...
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What do REFRESH and MERGE mean in terms of databases?

...managed entities associated with it. Link to one instance of the relevant docs share | improve this answer | follow | ...
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How to trigger the window resize event in JavaScript?

I have registered a trigger on window resize. I want to know how I can trigger the event to be called. For example, when hide a div, I want my trigger function to be called. ...
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Find all files in a directory with extension .txt in Python

...nswered Oct 19 '10 at 1:12 ghostdog74ghostdog74 269k4848 gold badges233233 silver badges323323 bronze badges ...
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How to generate random number in Bash?

How to generate a random number within a range in Bash? 17 Answers 17 ...
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Convert number to month name in PHP

... The recommended way to do this: Nowadays, you should really be using DateTime objects for any date/time math. This requires you to have a PHP version >= 5.2. As shown in Glavić's answer, you can use the following: $monthNum = 3; $dateObj =...
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How can I make a ComboBox non-editable in .NET?

... To make the text portion of a ComboBox non-editable, set the DropDownStyle property to "DropDownList". The ComboBox is now essentially select-only for the user. You can do this in the Visual Studio designer, or in C# like this: stateComboBox.DropDownStyle = ComboBoxStyle.DropDownList; ...
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Smooth GPS data

...etres_per_second; private long TimeStamp_milliseconds; private double lat; private double lng; private float variance; // P matrix. Negative means object uninitialised. NB: units irrelevant, as long as same units used throughout public KalmanLatLong(float Q_metres_per_seco...