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Can we use join for two different database tables?

...view wizard from Synonyms tab find your saved synonyms and add to view and set inner join simply. share | improve this answer | follow | ...
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?

...rrays use np.nan to designate missing values. As I iterate over the data set, I need to detect such missing values and handle them in special ways. ...
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adding x and y axis labels in ggplot2

...ot. One advantage is that ggplot works with data.frames directly. You can set the labels with xlab() and ylab(), or make it part of the scale_*.* call. library("Sleuth2") library("ggplot2") ggplot(ex1221, aes(Discharge, Area)) + geom_point(aes(size=NO3)) + scale_size_area() + xlab("My x la...
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How does Java handle integer underflows and overflows and how would you check for it?

...ive values, one finds that those that overflow (128 to 254) all have bit 7 set, while all that do not overflow (0 to 127) have bit 7 (topmost, sign) cleared. Thats exactly what the first (right) part of the expression checks: if (((s & d & ~r) | (~s & ~d & r)) < 0) (~s & ~d...
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Why doesn't Java Map extend Collection?

...act is reflected in the three "Collection view operations" on Maps (keySet, entrySet, and values). While it is, in principle, possible to view a List as a Map mapping indices to elements, this has the nasty property that deleting an element from the List changes the Key associated wi...
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv

...w-file-access-from-files switch turned on, for OSX/Chrome devs out there: set chromePath to POSIX path of "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" set switch to " --allow-file-access-from-files" do shell script (quoted form of chromePath) & switch & " > /dev/nul...
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Dialog with transparent background in Android

... Add this code dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT)); Or this one instead: dialog.getWindow().setBackgroundDrawableResource(android.R.color.transparent); ...
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Selector on background color of TextView

... I can't make this work. I'm trying to apply it to a button and it does set the background to the default color of the selector, but it doesn't change to the shape defined in state_pressed. What could I be missing? I might open a new question, just in case you could point me in the right directio...
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jquery, find next element by class

...says: Next() Get the immediately following sibling of each element in the set of matched elements. If a selector is provided, it retrieves the next sibling that matches the selector. so if the second DIV was in the same TD then you could code: // Won't work in your case $(obj).next().filter('.cl...
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NSDate beginning of day and end of day

...t startTime = calendar.startOfDay(for: date) let endTime = calendar.date(bySettingHour: 23, minute: 59, second: 59, of: date) Extra let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: noon)! let tomorrow = Calendar.current.date(byAdding: .day, value: 1, to: noon)! let specificDat...