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Singleton with Arguments in Java
I was reading the Singleton article on Wikipedia and I came across this example:
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How do I get the web page contents from a WebView?
On Android, I have a WebView that is displaying a page.
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Find column whose name contains a specific string
I have a dataframe with column names, and I want to find the one that contains a certain string, but does not exactly match it. I'm searching for 'spike' in column names like 'spike-2' , 'hey spike' , 'spiked-in' (the 'spike' part is always continuous).
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Android Get Current timestamp?
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From developers blog:
System.currentTimeMillis() is the standard "wall" clock (time and date) expressing milliseconds since the epoch. The wall clock can be set by the user or the phone network (see setCurrentTimeMillis(long)), so the time may jump backwards or forwards unpredictabl...
Singleton by Jon Skeet clarification
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Regarding question (2): basically what the post about beforeinitfield and type initialization tell you is that if you have no static constructor, the runtime can initialize it at any time (but before you use it). If you do have a static constructor, your code in the static constructor might ini...
possible EventEmitter memory leak detected
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How did this answer get all these up votes, and was choosen as correct answer? even though it should work, but this is completely wrong!!
– ProllyGeek
Dec 30 '18 at 10:39
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Disable LESS-CSS Overwriting calc() [duplicate]
...15px + 2em);
This works as Less concatenates values (the escaped strings and math result) with a space by default.
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Specify custom Date format for colClasses argument in read.table/read.csv
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You can write your own function that accepts a string and converts it to a Date using the format you want, then use the setAs to set it as an as method. Then you can use your function as part of the colClasses.
Try:
setAs("character","myDate", function(from) as.Date(from, for...
What's the difference between django OneToOneField and ForeignKey?
What's the difference between Django OneToOneField and ForeignKey ?
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bower command not found
I tried to install twitter bower on my Mac, and I used
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