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Breaking loop when “warnings()” appear in R
...ptions(warn=1) to restore the default setting.
– Alex Holcombe
May 15 '15 at 1:32
25
The default...
How to create major and minor gridlines with different linestyles in Python
...23, 456, 676, 89, 906, 34, 2345])
Out[9]: [<matplotlib.lines.Line2D at 0x6112f90>]
In [10]: yscale('log')
In [11]: grid(b=True, which='major', color='b', linestyle='-')
In [12]: grid(b=True, which='minor', color='r', linestyle='--')
The gotcha with minor grids is that you have to have min...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
...
What does {0} mean when initializing an object?
...he list than there are members in the
aggregate, then each member not
explicitly initialized shall be
default-initialized.
Example:
struct S { int a; char* b; int c; };
S ss = { 1, "asdf" };
initializes ss.a with 1, ss.b with
"asdf", and ss.c with the value of an
expression of the...
Find out which remote branch a local branch is tracking
...
BTW, the newest versions of git (1.8.5.x) also now show the upstream branch during git status and git status -sb -- so once you upgrade to 1.8.5.x, this question (and answer) is irrelevant.
– jdsumsion
Dec 17 '13 at 19:32
...
Pure JavaScript Send POST Data Without a Form
...
You can send it and insert the data to the body:
var xhr = new XMLHttpRequest();
xhr.open("POST", yourUrl, true);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({
value: value
}));
By the way, for get request:
var xhr = new XMLHttpReque...
Using getopts to process long and short command line options
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R object identification
...n producing output for which I don't understand the output data type. I'm expecting a list and it ends up being a list of lists or a data frame or something else. What's a good method or workflow for figuring out the output data type when first using a function?
...
Center content of UIScrollView when smaller
...iew *)scrollView
{
UIView *subView = [scrollView.subviews objectAtIndex:0];
CGFloat offsetX = MAX((scrollView.bounds.size.width - scrollView.contentSize.width) * 0.5, 0.0);
CGFloat offsetY = MAX((scrollView.bounds.size.height - scrollView.contentSize.height) * 0.5, 0.0);
subView.c...
Open directory dialog
...ders. Overall, I'd give it a 0 out of 5 and recommend nobody ever use it. Except that there was no reasonable alternative until Windows Vista came out with the much better folder dialog. There are good free libraries that show the good dialog on Vista+, and the bad one on XP.
–...