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What is reflection and why is it useful?
...
buffer.append(tabs.toString());
fields[i].setAccessible(true);
buffer.append(fields[i].getName());
buffer.append("=");
try {
Object value = fields[i].get(o);
if (value != null) {
...
Recompile Heroku slug without push or config change
... FYI for me this solution did not work when I had a new ENV value for a setting in a js file that gets compiled into the Rails application.js. It took committing a space to the js file and a push to get the asset to actually recompile.
– Josh Diehl
Oct 14 '...
How can I get the ID of an element using jQuery?
...l return the id of the first matched element. Reference.
If your matched set contains more than one element, you can use the conventional .each iterator to return an array containing each of the ids:
var retval = []
$('selector').each(function(){
retval.push($(this).attr('id'))
})
return retval...
How will I know when to create an interface?
... have a Process() function" it's "when you have things that share a common set of methods". the example can easily be changed to foreach(IMyCompanyWidgetFrobber a in list) a.Frob(widget, context);
– Jimmy
Oct 14 '10 at 17:55
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Why are side-effects modeled as monads in Haskell?
...o, you're still missing my point here. Of course you wouldn't use that mindset for any of those specific types, because they have clear, meaningful structure. When I say "arbitrary monads" I mean "you don't get to pick which one"; the perspective here is from inside the quantifier, so thinking of m ...
method overloading vs optional parameter in C# 4.0 [duplicate]
...parameter b as 23.
Another variant of this call - notice you don't need to set the parameter values in the order as they appear in the method signature, the named parameter makes the value explicit.
DoFoo(c:"hello again", a:100)
Another benefit of using named parameter is that it greatly enhanc...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
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Also, to complete the first set (up down left right - ▲▼◀▼), left is U+25C0 and right is U+25B6. I found these here: unicode.org/charts
– Nathan Long
Nov 19 '10 at 17:06
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Android Left to Right slide animation
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Use this xml in res/anim/
This is for left to right animation:
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="false">
<translate android:fromXDelta="-100%" android:toXDelta="0%"
android:fromYDelta="0%" android:toYDelta=...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ges that were either installed using the pip installer itself or they used setuptools in their setup.py so conda build generated the egg information. So you have basically three options.
You can take the union of the conda list and pip freeze and manage packages that were installed using conda (th...
How to implement a good __hash__ function in python [duplicate]
...being that changing the hash of an object that already belongs to, e.g., a set wreaks havoc on the set's internal data structures.
– javawizard
Sep 5 '13 at 22:03
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