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When to use window.opener / window.parent / window.top
...r child window with the same window.open() closing self. Now when I submit my second child (first child is no more exists), I would like to access the page elements of my main page. Is this possible from second child when the first is no more present?
– Sriram
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Shell command to tar directory excluding certain files/folders
...nks an ending / is part of the directory name to exclude. BAD: --exclude=mydir/ GOOD: --exclude=mydir
– Josiah
Aug 21 '15 at 16:22
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Liquibase lock - reasons?
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I was just getting this error in my development environment. Fixing up the DATABASECHANGELOGLOCK table solved it.
– Naymesh Mistry
Jul 28 '16 at 18:38
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How do I prompt for Yes/No/Cancel input in a Linux shell script?
...trated a way to make the request language agnostic in her answer. Adapting my first example to better serve multiple languages might look like this:
set -- $(locale LC_MESSAGES)
yesptrn="$1"; noptrn="$2"; yesword="$3"; noword="$4"
while true; do
read -p "Install (${yesword} / ${noword})? " yn
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Aspect Oriented Programming vs. Object-Oriented Programming
...st need a pointcut:
pointcut set() : execution(* set*(*) ) && this(MyGraphicsClass) && within(com.company.*);
What does that mean? That means if a method is named "set*" (* means any name might follow after set), regardless of what the method returns (first asterisk) or what paramet...
Favorite Django Tips & Features?
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I'm just going to start with a tip from myself :)
Use os.path.dirname() in settings.py to avoid hardcoded dirnames.
Don't hardcode path's in your settings.py if you want to run your project in different locations. Use the following code in settings.py if your tem...
DISTINCT for only one column
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@Cybernate One complication: My inner SELECT needs a WHERE condition. I'm thinking the row numbers will be assigned to all rows in the table. This syntax is just a little beyond me. Any chance of an update that would guarantee one row with a particular e...
IE8 support for CSS Media Query
...ireD. Yes it is. Because there are people who view web pages with zoom. In my company we format the pages since 4x zoom in 800x600, for accesibility. That makes a screen like 400px width. Media-queries are really useful for that, despite the browser you choose (and IE8 is included).
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Why should I use Deque over Stack?
I need a Stack data structure for my use case. I should be able to push items into the data structure and I only want to retrieve the last item from the Stack. The JavaDoc for Stack says :
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What is the usefulness of `enable_shared_from_this`?
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Here's my explanation, from a nuts and bolts perspective (top answer didn't 'click' with me). *Note that this is the result of investigating the source for shared_ptr and enable_shared_from_this that comes with Visual Studio 2012. P...