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Is there any way I can define a variable in LaTeX?

... add the following to you preamble: \newcommand{\newCommandName}{text to insert} Then you can just use \newCommandName{} in the text For more info on \newcommand, see e.g. wikibooks Example: \documentclass{article} \newcommand\x{30} \begin{document} \x \end{docume...
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PHPMailer character encoding issues

...1 you can use utf8_encode as David says. Otherwise use mb_detect_encoding and mb_convert_encoding on $message. Also take note that $mail -> charSet = "UTF-8"; Should be replaced by: $mail->CharSet = 'UTF-8'; And placed after the instantiation of the class (after the new). The properti...
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Angular.js programmatically setting a form field to dirty

I am programmatically updating some of the fields on my form with a value and I would like to set the field state to $dirty . Doing something like: ...
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List of Big-O for PHP functions

...ght it'd be good idea to have it for reference somewhere. I've gone though and either via benchmark or code-skimming to characterize the array_* functions. I've tried to put the more interesting Big-O near the top. This list is not complete. Note: All the Big-O where calculated assuming a hash look...
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Multiple modals overlay

... After seeing many fixes for this, and none of them were exactly what I needed I've came up with a even shorter solution that is inspired by @YermoLamers & @Ketwaroo. Backdrop z-index fix This solution uses a setTimeout because the .modal-backdrop isn't c...
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Is there an R function for finding the index of an element in a vector?

In R, I have an element x and a vector v . I want to find the first index of an element in v that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it? ...
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Remove a git commit which has not been pushed

.... Do your future self a favor: The difference between reset, reset --soft, and reset --hard (What happens to your earlier git add aka "your work" :) Picture: link – user18099 Jun 9 '17 at 10:00 ...
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?

Goal: Find the local time and UTC time offset then construct the URL in following format. 10 Answers ...
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What does it mean that Javascript is a prototype based language?

...of the objects which inherit from it. Advantages There may not be a hard and fast rule as to why prototypal inheritance is an advantageous form of code-reuse. Code reuse itself is advantageous, and prototypal inheritance is a sensible way of going about it. You might argue that prototypal inheri...
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CSS styling in Django forms

...s is clearly documented -- EDIT 2 --- Added a newer way to specify widget and attrs for a ModelForm. share | improve this answer | follow | ...