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in iPhone App How to detect the screen resolution of the device
...iplying by the screen's scale you get the actual pixel resolution.
A good read on the difference between points and pixels in iOS can be read here.
EDIT: (Version for Swift)
let screenBounds = UIScreen.main.bounds
let screenScale = UIScreen.main.scale
let screenSize = CGSize(width: screenBounds.s...
git selective revert local changes from a file
... I had that error a few times if the file had been patched already, and so the interactive patch was out of date with the current file's applied patches. It happened when using a gui tool like source tree if I discarded a hunk twice accidentally. The second time would produce that er...
When to use a linked list over an array/array list?
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LinkedLists do have O(1) inserts if you already happen to be in the location of the insertion (via an iterator). Not always, though.
– Adam
Jan 24 '12 at 6:14
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Why is semicolon allowed in this python snippet?
...you would mean the other way. So, to clarify, I would rather suggest other readers to stick with the official phrase: in that if cond: stmt1; stmt2; stmt3 example, either all or none of the statements are executed".
– RayLuo
Sep 30 '16 at 21:00
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URL Encoding using C#
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this answer is out of date now. read a few answers below - as of .net45 this might be the correct solution: msdn.microsoft.com/en-us/library/…
– blueberryfields
Jan 7 '15 at 17:20
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What is this 'Lambda' everyone keeps speaking of?
...hin the pipes is the parameter. I'm one of these people who have a trouble reading ruby.
– Skurmedel
Jul 6 '09 at 10:48
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
...he last big project I was involved with where I did this the product was already in production with zero unit tests when I arrived to the team. When I left - 2 years later - we had 4500+ or so tests yielding about 33 % code coverage in a code base with 230 000 + production LOC (real time financial W...
Is gettimeofday() guaranteed to be of microsecond resolution?
...ad Timing for Intel Processors
If you're on Intel hardware, here's how to read the CPU real-time instruction counter. It will tell you the number of CPU cycles executed since the processor was booted. This is probably the finest-grained counter you can get for performance measurement.
Note that ...
Concept of void pointer in C programming
...eger must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of reading a little-endian value */
uint16_t value = *(uint8_t*)ptr
| ...
Is git not case sensitive?
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I initially read this as the original poster trying to perform a case-changing rename of a folder, not a file. Now that I re-read this, it is unclear. Indeed, mv -f will work for a file.
– Edward Thomson
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