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Can I call memcpy() and memmove() with “number of bytes” set to zero?
...s the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer arguments
on such a call shall still have valid values, as described in 7.1.4. On such a cal...
getString Outside of a Context or Activity
...r Service). What I've usually done in this case, is to simply require the caller to pass in the context.
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Convert a list to a data frame
...which in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns to factors, to avoid this you can add a parameter to the data.frame() call:
df <- data.frame(matrix(un...
Testing two JSON objects for equality ignoring child order in Java
...rary that supports comparing two JSON objects ignoring child order, specifically for unit testing JSON returning from a web service.
...
How can I open a URL in Android's web browser from my application?
...ed the http:// ! The URL is entered by the user, is there a way to automatically format?
– Arutha
Feb 4 '10 at 18:44
4
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jquery's append not working with svg element?
...nt listeners vanish). After reading this answer I changed my createElement calls to createElementNS and now everything works!
– kitsu.eb
Jul 12 '13 at 21:01
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Sending message through WhatsApp
... package exists or not. If not then code
//in catch block will be called
waIntent.setPackage("com.whatsapp");
waIntent.putExtra(Intent.EXTRA_TEXT, text);
startActivity(Intent.createChooser(waIntent, "Share with"));
} catch (NameNotFoundException e) {
Toa...
Disable assertions in Python
...thon -Oc "assert False"
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceba...
“Uncaught TypeError: Illegal invocation” in Chrome
...you are assigning a native method to a property of custom object.
When you call support.animationFrame(function () {}) , it is executed in the context of current object (ie support). For the native requestAnimationFrame function to work properly, it must be executed in the context of window.
So the...
Large, persistent DataFrame in pandas
...nksize=chunksize. Hence, you would just do a for loop over the pd.read_csv call, instead of re-instantiating it every time. However, this costs only the call overhead, there maybe no significant impact.
– Joël
Dec 8 '15 at 15:19
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