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Creating a copy of a database in PostgreSQL [closed]
...atabase in this fashion does not lock originaldb. PostgreSQL only prevents starting the copy if there are others accessing originaldb--not after the copy starts, so it is possible that another connection could modify the database while the "copy" is occurring. IMHO, this may be the easiest answer, b...
Jquery UI tooltip does not support html content
Today, I upgraded all of my jQuery plugs-in with jQuery 1.9.1. And I started to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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Import CSV to mysql table
...x:
The IGNORE number LINES option can be used to ignore lines at the
start of the file. For example, you can use IGNORE 1 LINES to skip
over an initial header line containing column names:
LOAD DATA INFILE '/tmp/test.txt' INTO TABLE test IGNORE 1 LINES;
Therefore, you can use the followi...
Xcode without Storyboard and ARC
i have downloaded new xcode-5 and just started using it.
6 Answers
6
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Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...ple I can think of is to track and report code timings: using( TimingTrace.Start("MyMethod") ) { /* code */ } Again, this is AOP - Start() captures the start time before the block begins, Dispose() captures the end time and logs the activity. It doesn't change program state and is agnostic to excep...
iphone/ipad: How exactly use NSAttributedString?
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Starting from the iOS 6.0 you can do it like that:
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:@"Hello. That is a test attributed string."];
[str addAttribute:NSBackgroundColorAttribute...
How do I convert a string to a number in PHP?
... // -42
echo intval(042); // 34 (octal as starts with zero)
echo intval('042'); // 42
echo intval(1e10); // 1410065408
echo intval('1e10'); // 1
echo intval(0x1A); // 26 (hex as starts with 0x)
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Load different colorscheme when using vimdiff
...iff from within vim, you'd either have to override the commands you use to start/stop it (e.g. diffthis, diffoff) using :cnoreabbr (there's also a plugin) or use an autocommand:
au FilterWritePre * if &diff | colorscheme xyz | endif
FilterWritePre is called before filtering through an externa...
How to wait for all threads to finish, using ExecutorService?
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What if you don't know the number of tasks before you start?
– cletus
Aug 9 '09 at 10:26
11
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Remove an entire column from a data.frame in R
...s('color')) %>% # any column name that contains 'color'
select(-starts_with('bi')) %>% # any column name that starts with 'bi'
select(-ends_with('er')) %>% # any column name that ends with 'er'
select(-matches('^v.+s$')) %>% # any column name matching the ...