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Detect backspace in empty UITextField
...r so upvotes. I would subclass UITextField instead, like some of the other commenters have mentioned.
– Brian Sachetta
Jun 26 '15 at 20:19
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Resource interpreted as Document but transferred with MIME type application/zip
...TML5 download attribute in your <a> tag.
<a href="http://example.com/archive.zip" download>Export</a>
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-download
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Mapping over values in a python dictionary
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There is no such function; the easiest way to do this is to use a dict comprehension:
my_dictionary = {k: f(v) for k, v in my_dictionary.items()}
In python 2.7, use the .iteritems() method instead of .items() to save memory. The dict comprehension syntax wasn't introduced until python 2.7.
N...
Any way to select without causing locking in MySQL?
...nd the MYSQL equivalent is
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED ;
SELECT * FROM TABLE_NAME ;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ ;
EDIT
Michael Mior suggested the following (from the comments)
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED ;
SELECT * FR...
How do I assert my exception message with JUnit Test annotation?
... edited Sep 12 '19 at 10:41
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111 silver badge
answered Jun 29 '11 at 22:26
Jesse MerrimanJesse...
How to drop columns using Rails migration
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@XåpplI'-I0llwlg'I-Thanks for the comment. The change method can be used to drop a column in Rails 4 applications, but should not be used in Rails 3. I updated my answer accordingly.
– Powers
Oct 6 '13 at 21:03
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How to do what head, tail, more, less, sed do in Powershell? [closed]
On windows, using Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answe...
How can I extract audio from video with ffmpeg?
I tried the following command to extract audio from video:
12 Answers
12
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Open multiple Eclipse workspaces on the Mac
...up should still work using the following instructions though.
Open the command line (Terminal)
Navigate to your Eclipse installation folder, for instance:
cd /Applications/eclipse/
cd /Developer/Eclipse/Eclipse.app/Contents/MacOS/eclipse
cd /Applications/eclipse/Eclipse.app/Contents/MacOS/ecl...
Find and Replace Inside a Text File from a Bash Command
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Note for Mac users who get an invalid command code C error... For in-place replacements, BSD sed requires a file extension after the -i flag because it saves a backup file with the given extension. For example: sed -i '.bak' 's/find/replace/' /file.txt You can...