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C# difference between == and Equals()
...lowing code illustrates the subtle differences in behaviors:
string s1 = "test";
string s2 = "test";
string s3 = "test1".Substring(0, 4);
object s4 = s3;
Console.WriteLine("{0} {1} {2}", object.ReferenceEquals(s1, s2), s1 == s2, s1.Equals(s2));
Console.WriteLine("{0} {1} {2}", object.ReferenceEqual...
Will iOS launch my app into the background if it was force-quit by the user?
...this tutorial: https://zeropush.com/guide/guide-to-pushkit-and-voip - I've tested it on my device and it works as expected.
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Interfaces — What's the point?
...o that your front end would be written once and (here's the important bit) tested, and you can then plug in further back end items as required:
interface ICreature
{
void Walk(int distance)
}
public class Troll : ICreature
public class Orc : ICreature
//etc
Front end is then:
void SpawnCr...
How do I get a human-readable file size in bytes abbreviation using .NET?
...
using Log to solve the problem....
static String BytesToString(long byteCount)
{
string[] suf = { "B", "KB", "MB", "GB", "TB", "PB", "EB" }; //Longs run out around EB
if (byteCount == 0)
return "0" + suf[0];
long bytes = Math.Abs(byteCount);
int place ...
Parsing JSON using Json.net
...""objects"" : [
{
""attributes"" : {
""OBJECT_NAME"" : ""test name"",
""OBJECT_TYPE"" : ""test type""
},
""position"" :
{
""x"" : 5,
""y"" : 7
}
}
]
}";
static void Main()
{
JavaScriptSerializer ser = new J...
Make first letter of a string upper case (with maximum performance)
...t().ToString().ToUpper() + input.Substring(1);
}
EDIT 2:
Probably the fastest solution is Darren's (There's even a benchmark) although I would change it's string.IsNullOrEmpty(s) validation to throw an exception since the original requirement expects for a first letter to exist so it can be upperc...
SVN best-practices - working in a team
...unk must always build without errors." or "trunk must always pass all unit tests". Any work that can't yet meet the standards of trunk must be done in a branch.
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How many database indexes is too many?
...t the combinations of searches that we allow. Otherwise you would have to test literally every combination for performance to ensure you did not have a lurking problem that someone will find one day. We have also implemented resource limits to stop this causing issues elsewhere in the application ...
How to extract text from a string using sed?
...
How about using grep -E?
echo "This is 02G05 a test string 20-Jul-2012" | grep -Eo '[0-9]+G[0-9]+'
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App store link for “rate/review this app”
...WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=YOUR_APP_ID&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software
Code snippet (you can just copy & paste it):
#define YOUR_APP_STORE_ID 545174222 //Change this one to your ID
static NSString *const iOS7Ap...