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Simple explanation of clojure protocols
... our extensions to be separate modules, in separate namespaces, separately compiled, separately deployed, separately type checked. We want them to be type-safe. [Note: not all of these make sense in all languages. But, for example, the goal to have them type-safe makes sense even in a language like ...
Capture Image from Camera and Display in Activity
...coding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/button1" android:layout_width="wrap_content" andr...
SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
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Change size of axes title and labels in ggplot2
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Why use symbols as hash keys in Ruby?
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TL;DR:
Using symbols not only saves time when doing comparisons, but also saves memory, because they are only stored once.
Ruby Symbols are immutable (can't be changed), which makes looking something up much easier
Short(ish) answer:
Using symbols not only saves time when d...
How do I convert a String to an InputStream in Java?
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community wiki
5 revs, 5 users 47%Iain
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How can I pad a value with leading zeros?
What is the recommended way to zerofill a value in JavaScript? I imagine I could build a custom function to pad zeros on to a typecasted value, but I'm wondering if there is a more direct way to do this?
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