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Exception handling in R [closed]
...ch eg this query for tryCatch in R files
the Debian code search engine on top of the whole Debian archive
Just for the record, there is also try but tryCatch may be preferable. I tried a quick count at Google Code Search but try gets too many false positives for the verb itself -- yet it seems t...
Underlining text in UIButton
... CGRect textRect = self.titleLabel.frame;
// need to put the line at top of descenders (negative value)
CGFloat descender = self.titleLabel.font.descender;
CGContextRef contextRef = UIGraphicsGetCurrentContext();
// set to same colour as text
CGContextSetStrokeColorWithColor(...
How to “undelete” a deleted folder in Subversion / TortoiseSVN?
...evision.
In the Repository Browser, click the button labeled HEAD (at the top-right corner) to show to a revision there your folder still exists, then right-click that folder and select "Copy to..." and enter the path there you want the folder to be re-created (probably the same path that is alread...
Looping through localStorage in HTML5 and JavaScript
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@BBagi, it returns whatever the input is, decoded. The top level of a JSON text can be an object or array. Try JSON.parse('["Lorem", "Ipsum", "Dolor"]').length
– Matthew Flaschen
Apr 20 '13 at 4:39
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Recursive file search using PowerShell
...t would give you all *.libs in all subdirectories, but it only will search top level of bin.
In order to search for directories, you can use -Directory, but then you must remove the trailing wildcard. For whatever reason, this will not deactivate -Recurse. It is for these reasons that I recommend n...
Google Maps v2 - set both my location and zoom in
... @CommonsWare My apologies, while testing with your code my map's top left corner seemed to be set with the lat lng. I assumed you mistook what .newLatLng() did. I'm not sure why it was off, it must have been something else on my end, the api docs prove your case, sorry for going trigger ha...
UITableViewHeaderFooterView: Unable to change background color
...nless the table view is set to "Grouped", section headers will snap at the top when scrolling down. If the section headers are transparent, the cell content will be seen through, which might not look great.
Here, section headers have transparent background:
To prevent this, it is better to set t...
How to Batch Rename Files in a macOS Terminal?
...ollows:
brew install rename
Here's the equivalent of the command at the top using rename:
rename -n -e 's/_.*_/_/' *.png
Again, this command performs a dry run; remove -n to perform actual renaming.
Similar to the bash solution, s/.../.../ performs text substitution, but - unlike in bash - ...
SQL - find records from one table which don't exist in another
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I would rather hope that people profile: unless you're a top SQL performance guru, telling in advance what will be the fastest is quite difficult (and depends on the DBMS engine you use).
– bortzmeyer
Dec 16 '08 at 8:59
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How to close current tab in a browser window?
...ok one of microsoft's survey, I finally got the answer.
try this:
window.top.close();
this will close the current tab for you.
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