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Explanation of strong and weak storage in iOS5
...(pre-arc) in a book, think it was Hillegass, but then he could have got it from somewhere else... it's a good one though!
– jrturton
Feb 13 '12 at 15:15
14
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Why is a round-trip conversion via a string not safe for a double?
...7 digits.
Proof: run the following 64-bit code (most of which I extracted from the Microsoft Shared Source CLI 2.0) in your debugger and examine v at the end of main:
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define min(a, b) (((a) < (b)) ? (a) : (b))
struct...
Mock functions in Go
...ould need to mock virtually any dependency and yet have a clean API to use from outside your test suite.
To understand this it is imperative to understand that you have access to the unexported methods in your test case (i.e. from within your _test.go files) so you test those instead of testing the ...
What's best SQL datatype for storing JSON string?
...rchar) will be introduced, as well as a FOR JSON command to convert output from a query into JSON format
Update #2: in the final product, Microsoft did not include a separate JSON datatype - instead, there are a number of JSON-functions (to package up database rows into JSON, or to parse JSON into ...
How do I send a JSON string in a POST request in Go
...und, I just used it to paste the code, you can't open external connections from it.
– OneOfOne
Jan 8 '17 at 11:04
9
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How does the following LINQ statement work?
...lled Immediate Query Execution, which is useful for caching query results. From Suprotim Agarwal again:
To force immediate execution of a query that does not produce a singleton value, you can call the ToList(), ToDictionary(), ToArray(), Count(), Average() or Max() method on a query or query v...
ios Upload Image and Text using HTTP POST
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Here's code from my app to post an image to our web server:
// Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionar...
TimeSpan ToString format
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Be aware of this when using the answer from Jon Skeet, with code like this:
// 12 days, 23 hours, 24 minutes, 2 seconds.
TimeSpan span = new TimeSpan(12, 23, 24, 2);
// 27 hours, 24 minutes, 2 seconds
TimeSpan span2 = new TimeSpan(27,24,2);
string format = span....
Random hash in Python
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+1 for not computing a relatively expensive hash from a random number: this approach is 5x faster.
– Nicolas Dumazet
Jun 11 '09 at 1:36
11
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Appending an element to the end of a list in Scala
... Thanks a lot! That was exactly what I was searching for. I guess from your answer I shouldn't do that though... I'll revise my structure and see what can I do. Thanks again.
– Masiar
Oct 17 '11 at 13:19
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