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How to develop or migrate apps for iPhone 5 screen resolution?
...@2x.png"
In the iOS Simulator, go to the Hardware -> Device menu, and select "iPhone (Retina 4-inch)"
Create other images, e.g. background images
Detect iPhone 5 to load your new images:
public static bool IsTall
{
get {
return UIDevice.currentDevice.userInterfaceIdiom
...
Flags to enable thorough and verbose g++ warnings
... when you enable a flag that enables multiple warnings, but you want to be selective about it.
– Tamás Szelei
Mar 25 '12 at 22:26
1
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Cannot delete directory with Directory.Delete(path, true)
...e(path, true) while path or one of the folders/files under path is open or selected in Windows Explorer will throw an IOException. Closing Windows Explorer and rerunning my existing code w/o the try/catch suggested above worked fine.
– David Alpert
Feb 24 '10 ...
Resizing an image in an HTML5 canvas
...
Try pica - that's a highly optimized resizer with selectable algorythms. See demo.
For example, original image from first post is resized in 120ms with Lanczos filter and 3px window or 60ms with Box filter and 0.5px window. For huge 17mb image 5000x3000px resize takes ~1s ...
Show control hierarchy in the WinForms designer
... Some of those controls have a deep hierarchy and that makes it to hard to select them in the designer.
3 Answers
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Hide/Show Column in an HTML Table
...this without attaching a class to every td in the table, is there a way to select an entire column using jquery? Below is an example of the HTML.
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Foreign Key to multiple tables
...ulkon I know this is an old question but the query would be something like SELECT t.Subject AS ticketSubject, CASE WHEN u.Name IS NOT NULL THEN u.Name ELSE g.Name END AS ticketOwnerName FROM Ticket t INNER JOIN Party p ON t.Owner=p.PartyId LEFT OUTER JOIN User u ON u.ID=p.PartyId LEFT OUTER JOIN Gro...
Algorithm to generate a crossword
...the previous steps can just be done once.
First step of the algorithm is select an empty wordslot (grid word) at random and fill it with a candidate word from its associated wordlist (randomization enables to produce different solutons in consecutive executions of the algorithm) ( complexity O(1)...
How to prove that a problem is NP complete?
...o NP (that is that given a solution you can verify it in polynomial time)
Select a known NP-complete problem L'
Describe an algorithm f that transforms L' into L
Prove that your algorithm is correct (formally: x ∈ L' if and only if f(x) ∈ L )
Prove that algo f runs in polynomial time
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Why were pandas merges in python faster than data.table merges in R in 2012?
...re-computed indexes for various columns to accelerate operations like data selection and merges. In this case (database joins) pandas' DataFrame contains no pre-computed information that is being used for the merge, so to speak it's a "cold" merge. If I had stored the factorized versions of the join...