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Effects of the extern keyword on C functions
...s something declared in foo.c when it's linked, and foo.c needs a function from bar.c when it's linked.
By using 'extern', you are telling the compiler that whatever follows it will be found (non-static) at link time; don't reserve anything for it in the current pass since it will be encountered la...
Image.Save(..) throws a GDI+ exception because the memory stream is closed
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A generic error occurred in GDI+.
May also result from incorrect save path!
Took me half a day to notice that.
So make sure that you have double checked the path to save the image as well.
share
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How to change line width in ggplot?
...ped within a ggplot call.
An aesthetic defined within aes(...) is mapped from the data, and a legend created.
An aesthetic may also be set to a single value, by defining it outside aes().
As far as I can tell, what you want is to set size to a single value, not map within the call to aes()
When...
Finding a substring within a list in Python [duplicate]
...*1000
sub = 'abc'
timeit.timeit('[s for s in mylist if sub in s]', setup='from __main__ import mylist, sub', number=100000)
# for me 7.949463844299316 with Python 2.7, 8.568840944994008 with Python 3.4
timeit.timeit('next((s for s in mylist if sub in s), None)', setup='from __main__ import mylist, ...
Change date format in a Java string
...onsider using the backport, ThreeTen Backport, and then the first examples from the answer. Or for Android below API level 26, ThreeTenABP.
– Ole V.V.
Oct 10 '19 at 5:07
add a...
How to calculate the number of days between two dates? [duplicate]
...s. There's something wrong here... EDIT: Okay yeah.. javascript months are from 0-12 so if you're getting the input from a jquery datepicker or a regular normal date, subtract 1 form the month
– Robert Mennell
Oct 13 '15 at 23:07
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BigDecimal setScale and round
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See: "precision": The digit count starts from the leftmost nonzero digit of the exact result. docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html
– Eddy
Sep 6 '16 at 7:06
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phonegap open link in browser
...ntercept all links' click events, and call window.open with arguments read from the link's attributes.
Remember you must install the InAppBrowser plugin for this to work:
cordova plugin add cordova-plugin-inappbrowser
sha...
Measuring text width to be drawn on Canvas ( Android )
...this is very subjective and dependent on the font.
For example the width from measure text bounds may actually look too small:
However when adding an additional text the bounds for one letter looks normal:
Images taken from Android Developers Guide to Custom Canvas Drawing
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Clojure differences between Ref, Var, Agent, Atom, with examples
...o Identities needs to change together, the classic example is moving money from one bank account to another, it needs to either move completely or not at all.
Uncoordinated access is used when only one Identity needs to update, this is a very common case.
Synchronous access is used when the cal...