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Search for all files in project containing the text 'querystring' in Eclipse

...u at the top, click File..., input your search string, and make sure that 'Selected Resources' or 'Enclosing Projects' is selected, then hit search. The alternative way to open the window is with Ctrl-H. This may depend on your keyboard accelerator configuration. More details: http://www.ehow.com/h...
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presentViewController:animated:YES view will not appear until user taps again

...ese sources. I've found the issue by using a UITableViewCell which had its selectionStyle set to UITableViewCellSelectionStyleNone, so that no selection animation triggered the runloop after the row selection handler ran. To fix it (until Apple does something) you can trigger the main runloop by s...
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What is pseudopolynomial time? How does it differ from polynomial time?

...mon intuition for polynomial time is "time O(nk) for some k." For example, selection sort runs in time O(n2), which is polynomial time, while brute-force solving TSP takes time O(n · n!), which isn't polynomial time. These runtimes all refer to some variable n that tracks the size of the input. Fo...
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How to query as GROUP BY in django?

...nnotate(dcount=Count('designation')) This results in a query similar to SELECT designation, COUNT(designation) AS dcount FROM members GROUP BY designation and the output would be of the form [{'designation': 'Salesman', 'dcount': 2}, {'designation': 'Manager', 'dcount': 2}] ...
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MySQL pagination without double-querying?

...p a lot. The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on large t...
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Really weird eclipse keyboard behavior/bug?

.... They worked in other applications. Option-Arrows worked fine to move a selection around. Arrows worked in the keyboard preferences window. Switching to another application and back didn't work. Restarting eclipse made no difference. Switching keyboard schemes from Emacs -> Default -> E...
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Access restriction on class due to restriction on required library rt.jar?

...ings in the project properties. Remove the JRE System Library Add it back; Select "Add Library" and select the JRE System Library. The default worked for me. This works because you have multiple classes in different jar files. Removing and re-adding the JRE lib will make the right classes be first...
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UIScrollView Scrollable Content Size Ambiguity

...o this view. Don't forget to set the bottom constraint on the lowest view. Select the UIScrollView, select the size inspector and deselect Content Layout Guides. share | improve this answer ...
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SublimeText encloses lines in white rectangles

...o do not like the white rectangle, so I opted for fills. { /* Selects the way the lines with errors or warnings are marked; "outline" (default) draws outline boxes around the lines, "fill" fills the lines with the outline color, and "none" disables all outline styles ...
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What is the intended use-case for git stash?

...n reason for this is that git stash push introduces the option of stashing selected pathspecs, something git stash save does not support. – Krishna Gupta Jul 6 at 2:19 ...