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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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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 java interface equivalent in Ruby?
...lection.
This is a perfectly valid implementation of that interface:
class MyCollection<E> implements java.util.List<E> {
void add(int index, E element)
throws UnsupportedOperationException, ClassCastException,
NullPointerException, IllegalArgumentException,
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How to change the button text of ?
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Its working perfectly at my end on my FF 41.0.2.You are running in to cross browser compatibility issue please refer to CSS BOX MODEL to minify the issue.
– Code Black
Dec 7 '15 at 17:23
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How to select all instances of a variable and edit variable name in Sublime
If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them:
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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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How to check if an activity is the last one in the activity stack for an application?
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excellent answer. in my case after the user clicks on a notification the activity might be the root if they closed the application before
– dave o grady
Apr 2 at 21:11
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