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Zooming MKMapView to fit annotation pins?
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Also worth noting is that while showAnnotations sets the region to display annotations, the region still gets adjusted to match the aspect ratio; and this will frequently exclude some of the annotations. Also note that showAnnotations is the only correct solution presented...
Difference between \n and \r?
...tions using \r - e.g. MS Office 2011 Excel: Saving a CSV (with all default settings) - will save an ISO-8859-1 encoded file with \r-line endings.
– CodeBrauer
Jul 11 '17 at 12:48
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Test if a variable is a list or tuple
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A set object is also an iterable, which means that while you can surely pop elements from it, but it does not guarantee a certain order, which is a very dangerous thing for certain algorithms. In the cases when ordering of the ...
Utilizing multi core for tar+gzip/bzip compression/decompression
....0 or above of XZ Utils, you can utilize multiple cores for compression by setting -T or --threads to an appropriate value via the environmental variable XZ_DEFAULTS (e.g. XZ_DEFAULTS="-T 0").
This is a fragment of man for 5.1.0alpha version:
Multithreaded compression and decompression are not...
Best timestamp format for CSV/Excel?
...y that you will see all of that precision. On my computer at work, when I set up a CSV with "yyyy-mm-dd hh:mm:ss.000" data (by hand using Notepad), I get "mm:ss.0" in the cell and "m/d/yyyy hh:mm:ss AM/PM" in the formula bar.
For maximum information[1] conveyed in the cells without human interve...
Any way to limit border length?
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The :after rocks :)
If you play a bit you can even set your resized border element to appear centered or to appear only if there is another element next to it (like in menus). Here is an example with a menu:
#menu > ul > li {
position: relative;
float: left;
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How is CountDownLatch used in Java Multithreading?
...d consider the non-reusability an advantage: you're sure that no one can reset it, or increase the count.
– ataulm
Mar 16 '15 at 9:38
3
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Can comments be used in JSON?
...r supports them. JSON is used a lot for application data and configuration settings, so comments are necessary now. The "official spec" is a nice idea, but it's insufficient and obsolete, so too bad. Minify your JSON if you're concerned about payload size or performance.
– Tri...
How do I suspend painting for a control and its children?
...ontrols.
After a lot of googling and reflector usage I came across the WM_SETREDRAW win32 message. This really stops controls drawing whilst you update them and can be applied, IIRC to the parent/containing panel.
This is a very very simple class demonstrating how to use this message:
class Draw...
What is the difference between HTTP status code 200 (cache) vs status code 304?
...the answer being "no").
For most optimal web performance, you're best off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. Th...