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iOS detect if user is on an iPad
... Hi @sevensevens, thank you for your feedback. I just tried this out and it did work for me in XCode 7.2 targeting iOS 9 in the simulator. What version of XCode are you using? Maybe it doesn't work on older XCodes? The docs say userInterfaceIdiom is 'Available in iOS 3.2 and later.' so tha...
Remove last character of a StringBuilder?
...
Others have pointed out the deleteCharAt method, but here's another alternative approach:
String prefix = "";
for (String serverId : serverIds) {
sb.append(prefix);
prefix = ",";
sb.append(serverId);
}
Alternatively, use the Joiner clas...
Type or namespace name does not exist [closed]
... misleading error message. Probably saved me hours of trying to figure it out. Hey Microsoft how about "unable to import namespace BLAH because BLAH is an incompatible version" but then I guess it would have robbed Nathan of 184 upvotes.
– Gerald Davis
Jan 6 ...
What's the rationale for null terminated strings?
...
From the horse's mouth
None of BCPL, B, or C supports
character data strongly in the
language; each treats strings much
like vectors of integers and
supplements general rules by a few
conventions. In both BCPL and B a
string...
How do I make a UITableViewCell appear disabled?
I know about UITableview: How to Disable Selection for Some Rows but Not Others and cell.selectionStyle = UITableViewCellSelectionStyleNone , but how do I make a cell (or any UIView for that matter) appear disabled (grayed-out) like below?
...
What is time_t ultimately a typedef to?
...
@Viet also possible with an one-liner without creating a file: stackoverflow.com/a/36096104/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Mar 18 '16 at 23:48
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Moving average or running mean
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For a short, fast solution that does the whole thing in one loop, without dependencies, the code below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cum...
Kill process by name?
...
>>> import os
>>> p = subprocess.Popen(['ps', '-A'], stdout=subprocess.PIPE)
>>> out, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them...:
>>> for line in out.splitlines():
... ...
Pure JavaScript Graphviz equivalent [closed]
...t GraphViz is capable of generating? I am NOT interested in pretty visuals output, but the computations to figure out the maximum depth of each node, along with the layout of bezier lines that are optimized to minimize the number of intersecting edges when you are dealing with a graph rather than a ...
support FragmentPagerAdapter holds reference to old fragments
...lem because you are instantiating and keeping references to your fragments outside of PagerAdapter.getItem, and are trying to use those references independently of the ViewPager. As Seraph says, you do have guarantees that a fragment has been instantiated/added in a ViewPager at a particular time - ...