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Get notified when UITableView has finished asking for data?
...the loading process before it ended. But Apple changed it at some point. Now the UITableView class can cache the reloadData call with all the row insert and delete calls. If you look at the @interface declaration for UITableView, you will find NSMutableArray member _reloadItems right under _inser...
git ahead/behind info between master and branch?
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With Git 2.5+, you now have another option to see ahead/behind for all branches which are configured to push to a branch.
git for-each-ref --format="%(push:track)" refs/heads
See more at "Viewing Unpushed Git Commits"
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Start may not be called on a promise-style task. exception is coming
...ask.Run or Task.Factory.StartNew to both create and start a new Task.
So, now we know to just get rid of that pesky Start. You'll run your code and find that the message box is shown right away, not 5 seconds later, what's up with that?
Well, Task.Delay just gives you a task that will be complete...
Extracting text from HTML file using Python
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I know that's not (AT ALL) the place, but i follow the link to Aaron's blog and github profile and projects, and found myself very disturbed by the fact there is no mention of his death and it's of course frozen in 2012, as if t...
Do you use NULL or 0 (zero) for pointers in C++?
...or 0. For anybody using 0 today....erm...well hopefully they have a good knowledge of regular expressions...
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How do you echo a 4-digit Unicode character in Bash?
... That's true. I discovered i was using LANG=C instead of LANG=en_US.UTF-8. Now my terminals in Gnome show the symbols properly... The real terminals (tty1-6) still don't though.
– trusktr
Oct 3 '12 at 0:09
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Landscape printing from HTML
...be in landscape and not the entire page?
– SearchForKnowledge
Jun 9 '15 at 15:47
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@SearchForKnow...
Cross field validation with Hibernate Validator (JSR 303)
...The way to go is a class level constraint. Hibernate Validator also offers now a @ScriptAssert which makes the implementation of bean internal dependencies easier.
– Hardy
May 18 '10 at 7:54
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Is SQL or even TSQL Turing Complete?
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Strictly speaking, SQL is now a turing complete language because the latest SQL standard includes the "Persistent Stored Modules" (PSMs). In short, a PSM is the standard version of the PL/SQL language in Oracle (and other similar procedural extensions...
How do you get the magnitude of a vector in Numpy?
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Also, for matrices comprised of vectors, np.linalg.norm now has a new axis argument, discussed here: stackoverflow.com/a/19794741/1959808
– Ioannis Filippidis
Nov 18 '13 at 9:12
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