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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
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+1 for reading between the lines and explaining the reasons for doing it. It's always good when someone gives the answer that the user actually wanted rather than just the one he asked for. :)
– Spudley
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Current time in microseconds in java
...ay be inaccurate, just approximations, adrift from actual time as might be read from an atomic clock. In other words, just because you see a bunch of digits to the right of the decimal mark does not mean you can trust the elapsed time between such readings to be true to that minute degree.
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Do you leave parentheses in or out in Ruby? [closed]
...unded by
ERb delimiters -- the ERb markers make
sure the code is still readable
A line that is a single command and a single simple argument can be
written without the parenthesis.
Personally, I find that I do this less
and less, but it's still perfectly
readable. I tend not to like si...
How to cherry pick a range of commits and merge into another branch?
... B^..D in git lingo, so
git rev-list --reverse --topo-order B^..D | while read rev
do
git cherry-pick $rev || break
done
But anyway, when you need to "replay" a range of commits, the word "replay" should push you to use the "rebase" feature of Git.
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Git diff output to file preserve coloring
...hanges.html
of course html can be viewed by any browser so output can be read in Windows etc.
ansi2html code is here: http://www.pixelbeat.org/scripts/ansi2html.sh
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What is this 'Lambda' everyone keeps speaking of?
...hin the pipes is the parameter. I'm one of these people who have a trouble reading ruby.
– Skurmedel
Jul 6 '09 at 10:48
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Does Swift have access modifiers?
...on the optional parameter is not working as it should on my project, had already tried something similar to your GitHub example. As we can't set a default parameter on a protocol, I got stuck and ended up asking a question. Thanks for trying to help.
– bdurao
J...
Relatively position an element without it taking up space in document flow
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From reading up a little, it seems you can absolute position an element as long as the parent element is relatively positioned. That means if you have the CSS:
.parent {
position: relative;
}
.parent > .child {
posit...
How to check if two arrays are equal with JavaScript? [duplicate]
...urn {id:x.uniqueId}}). If you have arbitrary objects in your list, you can read on for option #2.)
This works for nested arrays as well.
It is, however, slightly inefficient because of the overhead of creating these strings and garbage-collecting them.
Option 2
More "proper" option, which you ...
Best ways to teach a beginner to program? [closed]
...e debugging capabilities of your tools. Even if you can see the problem by reading the code you should teach them how to use the tools, and then show them how you could see it. That serves the dual purpose of teaching the debugging tools and teaching how to ID errors without tools.
Once, or if, the...