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Application not picking up .css file (flask/python)

...need to have a 'static' folder setup (for css/js files) unless you specifically override it during Flask initialization. I am assuming you did not override it. Your directory structure for css should be like: /app - app_runner.py /services - app.py /templates - mainpa...
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... With new_list = my_list, you don't actually have two lists. The assignment just copies the reference to the list, not the actual list, so both new_list and my_list refer to the same list after the assignment. To actually copy the list, you have various possibilit...
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?

...eem to be mostly made up of punctuation :-) The command line switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun) Going into the options briefly, one-by-one: -p: Places a printing loop around your command so that it acts on each line of standard ...
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$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
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Overriding superclass property with different type in Swift

... Swift does not allow you to change the class type of any variables or properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

...It's a FragmentPagerAdapter for non-support fragments. Android Studio Installation Please add follow Gradle dependencies dependencies { compile 'com.android.support:support-v13:+' } share | ...
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Read a file in Node.js

...leSync--he's in the middle of processing a web request. This answer was totally inappropriate to the question at hand. – Samuel Neff Jun 8 '15 at 13:56 add a comment ...
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How to prevent XSS with HTML/PHP?

... Basically you need to use the function htmlspecialchars() whenever you want to output something to the browser that came from the user input. The correct way to use this function is something like this: echo htmlspecialchars($st...
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Local variables in nested functions

...ints to the local variable cage in the get_petters function. When you actually call the function, that closure is then used to look at the value of cage in the surrounding scope at the time you call the function. Here lies the problem. By the time you call your functions, the get_petters function i...
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using lodash .groupBy. how to add your own keys for grouped output?

...t hard to wrap my head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject). – Benny Bottema Jul 31 '15 at 9:17 ...