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How can I update window.location.hash without jumping the document?
...
There is a workaround by using the history API on modern browsers with fallback on old ones:
if(history.pushState) {
history.pushState(null, null, '#myhash');
}
else {
location.hash = '#myhash';
}
Credit goes to Lea Verou
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How to calculate an angle from three points? [closed]
... handful of languages use a caret for 'power of', so if you don't want to call it arcos, please just type cos⁻¹. (If you're using a commercial operating system that makes it difficult to type exponents, I expect there would be keycaps applications you could buy, or maybe a browser plug-in you cou...
Can I pass an array as arguments to a method with variable arguments in Java?
...ompatibility.
So you should just be able to prepend extraVar to args and call String.format(format, args).
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How to check if there's nothing to be committed in the current branch?
...itted, you can use the return code of:
git diff --cached --exit-code
Finally, if you want to know about whether there are any untracked files in your working tree that aren't ignored, you can test whether the output of the following command is empty:
git ls-files --other --exclude-standard --dir...
JUnit confusion: use 'extends TestCase' or '@Test'?
...Unit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier than Java 5) is needed. The new way has several advantages:
The @Test annotaton is more explicit and is easier to ...
Count the number of occurrences of a string in a VARCHAR field?
...rough text that also has words with capitalized letters (like German where all nouns are written with capitalized letter). The REPLACE only replaces exact matches. To consider all words you need to change the replace above to: LENGTH( REPLACE ( LOWER(description), "value", "") ) and make sure that "...
How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...t, postfix is much better. An example would be an iterator where you typically use: for(pos=c.begin(); ...; ++pos) {} instead of pos++
– Eric
Oct 2 '10 at 16:28
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Change date of git tag (or GitHub Release based on it)
...d:
Go back in time to the commit representing the tag
Delete the tag (locally and remotely)
This will turn your "Release" on GitHub into a Draft that you can later delete.
Re-add the same-named tag using a magic invocation that sets its date to the date of the commit.
Push the new tags with fix...
How does a debugger work?
... will look up the process ID, and initiate the debug session via a system call; under Windows this would be DebugActiveProcess.
Once attached, the debugger will enter an event loop much like for any UI, but instead of events coming from the windowing system, the OS will generate events based on wha...
What's the best way to join on the same table twice?
...a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so. Updating your database when that change happens will be a HUGE, error-prone headache. *
Method 1 as you describe it is your best bet though. It looks a bit terse ...