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Dismiss keyboard by touching background of UITableView
...hen the background of the UITableView is touched. I'm trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton is catching all the touches even when the touch is on the UITableView. What am I doing wrong...
What is the purpose of setting a key in data.table?
..., a, b) do?
It does two things:
reorders the rows of the data.table DT by the column(s) provided (a, b) by reference, always in increasing order.
marks those columns as key columns by setting an attribute called sorted to DT.
The reordering is both fast (due to data.table's internal radix sort...
“Insufficient Storage Available” even there is lot of free space in device memory
...wait three seconds before you can click "Allow".)
Change current directory by typing in cd /data/log, followed by return.
MAKE SURE you are in the data/log directory by typing in pwd, followed by return. It should print out the present working directory you are in: /data/log. It is very important to...
How to loop through file names returned by find?
...Bash shell, what I get is a string containing several file names separated by blank, not a list.
13 Answers
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Will iOS launch my app into the background if it was force-quit by the user?
I am triggering a background fetch by using the content-available flag on a push notification. I have the fetch and remote-notification UIBackgroundModes enabled.
...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
...);
insert into countries values ('Antigua');
SELECT SUBSTR (SYS_CONNECT_BY_PATH (country_name , ','), 2) csv
FROM (SELECT country_name , ROW_NUMBER () OVER (ORDER BY country_name ) rn,
COUNT (*) OVER () cnt
FROM countries)
WHERE rn = cnt
START WITH rn =...
How to order citations by appearance using BibTeX?
By default (using the plain style) BibTeX orders citations alphabetically.
12 Answers
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Rolling back local and remote git repository by 1 commit
...ange its HEAD reference even though it is a bare repo)
Note, as commented by alien-technology in the comments below, on Windows (CMD session), you would need ^^:
git reset --hard HEAD^^
git push -f
Update since 2011:
Using git push --force-with-lease (that I present here, introduced in 2013 wit...
Crash logs generated by iPhone Simulator?
Are there any crash logs generated by iPhone Simulator?
6 Answers
6
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What is the meaning of the term “thread-safe”?
...ode is thread-safe if it functions correctly during simultaneous execution by multiple threads. In particular, it must satisfy the need for multiple threads to access the same shared data, and the need for a shared piece of data to be accessed by only one thread at any given time.
There are a f...