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static allocation in java - heap, stack and permanent generation
I have been lately reading a lot on memory allocation schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM spec...
How to encrypt String in Java
... first page that shows up via Google and the security
vulnerabilities in all the implementations make me cringe so I'm
posting this to add information regarding encryption for others as it
has been 7 Years from the original post. I hold a Masters Degree in
Computer Engineering and spent a lo...
How do I decode HTML entities in Swift?
...his process as painless as possible (be warned that this method will strip all HTML tags as well).
Remember to initialize NSAttributedString from main thread only. It uses WebKit to parse HTML underneath, thus the requirement.
// This is a[0]["title"] in your case
let encodedString = "The Weeknd &...
Detecting Unsaved Changes
...reunload methods as required.
From the comments, the following references all input fields, without duplicating code:
$(':input').change(function () {
Using $(":input") refers to all input, textarea, select, and button elements.
...
Generating Random Passwords
...Lost Password page we need to give him a new temporary password. I don't really mind how random this is, or if it matches all the "needed" strong password rules, all I want to do is give them a password that they can change later.
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Understand the “Decorator Pattern” with a real world example
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Decorator pattern achieves a single objective of dynamically adding
responsibilities to any object.
Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the piz...
CSS image resize percentage of itself?
...img.fake is the same image.
Browser support note: This method will work in all browsers, because all browsers support css properties used in method.
The method works in this way:
#wrap and #wrap img.fake have flow
#wrap has overflow: hidden so that its dimensions are identical to inner image (img.f...
Using the last-child selector
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last-child works in all the modern browsers, which means, of course, it does not work in any version of IE.
– Rob
Apr 8 '10 at 21:25
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How would I extract a single file (or changes to a file) from a git stash?
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This is pretty cool... I didn't really understand how stash worked until I read your answer (which lead me to the git-checkout addition). I really didn't get that, when you do a stash, git saves TWO commits -- one for the state of the index and one for the s...
annotation to make a private method public only for test classes [duplicate]
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If you use FindBugs, I've built a plugin that can actually verify for you that @VisibleForTesting methods are not being used outside test classes.
– Johnco
Jul 23 '15 at 14:40
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