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Print “hello world” every X seconds
...rrect :\ The age of the two APIs aside, ScheduledExecutorService is simply more intuitively declarative. The use of TimeUnit as a parameter makes it much more clear what is occurring. Gone are the days of code like 5*60*1000 // 5 minutes.
– Tim Bender
Feb 14 '1...
Does Python have a string 'contains' substring method?
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Check for installed packages before running install.packages() [duplicate]
...r) and signal - both have a function filter. Since I use dplyr::filter way more often, I wanted a way to check if signal is installed but not load it.
– Mario Reutter
Apr 11 '19 at 9:33
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Replace comma with newline in sed on MacOS?
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Upvoted. For more info see the "QUOTING" section of man bash.
– tboyce12
Apr 1 '15 at 18:23
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What is the correct way to create a single-instance WPF application?
...s
to wait. Since we're not actually wanting to synchronizing our code
(more just check if it is currently in use) we use the overload with
two parameters: Mutex.WaitOne(Timespan timeout, bool exitContext).
Wait one returns true if it is able to enter, and false if it wasn't.
In this case, ...
Remove HTML Tags in Javascript with Regex
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...ntry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame.
7 A...
Get element from within an iFrame
...ent) ? iframe.contentDocument : iframe.contentWindow.document;
You could more simply write:
var iframe = document.getElementById('iframeId');
var innerDoc = iframe.contentDocument || iframe.contentWindow.document;
and the first valid inner doc will be returned.
Once you get the inner doc, you ...
Why are nested weights bad for performance? Alternatives?
...ic is the same, it can help. Unfortunately I find droid's ConstraintLayout more heavy/verbose to use than iOS' AutoLayout
– AdricoM
Jan 15 '18 at 15:19
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How can I keep Bootstrap popovers alive while being hovered?
... hi1.4xlarge and hs1.8xlarge.<br> More info: <a href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html" target="_blank">Click here...</a>"
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HOVE...