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How to log a method's execution time exactly in milliseconds?
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NSDate *methodStart = [NSDate date];
/* ... Do whatever you need to do ... */
NSDate *methodFinish = [NSDate date];
NSTimeInterval executionTime = [methodFinish timeIntervalSinceDate:methodStart];
NSLog(@"executionTime = %f", executionTi...
SQL Server Installation - What is the Installation Media Folder?
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Clicking the exe starts the installer, which unzips files to a temporary location and cleans them up afterward. The zip rename isn't necessary if you open the exe directly with 7zip, but it does help clarify the answer and show that the exe i...
How to use wait and notify in Java without IllegalMonitorStateException?
...condition after they wake up to see whether they need to wait again or can start processing.
Use the same object for calling wait() and notify() method; every object has its own lock so calling wait() on object A and notify() on object B will not make any sense.
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How to get current relative directory of your Makefile?
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From the GNU Make manual (page 51): " when GNU make starts (after it has processed any -C options) it sets the variable CURDIR to the pathname of the current working directory." Not the location of where the Makefile is located - although, they might be the same.
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UITableView : viewForHeaderInSection: not called during reloadData:
...fine, until one day, with no change on my part, they didn't. That's when I started experimenting to discover what the minimal requirements are for viewForHeader to be called. And now I know. And now so do you.
– matt
Oct 2 '14 at 15:22
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How much is the overhead of smart pointers compared to normal pointers in C++?
...shared_ptrs and you have not enough memory to the point that your computer starts wrinkling, like an old lady being plummeted to the ground by an unbearable force from afar.
What would make your code slower is sluggish searches, unnecessary loop processing, huge copies of data, and a lot of write op...
What are the differences between a multidimensional array and an array of arrays in C#?
...es++)
{
var timer = new Stopwatch();
timer.Start();
var jagged = new int[dim][][];
for(var i = 0; i < dim; i++)
{
jagged[i] = new int[dim][];
for(var j = 0; j < dim; j++)
{
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Node.js get file extension
...top at (without including that character). Also, substr() accepts negative start positions to be used as an offset from the end of the string while substring() does not.
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Fluent and Query Expression — Is there any benefit(s) of one over other?
... extension methods you can write your own.
I have found that every time I start writing a LINQ statement using the query syntax I end up having to put it in parenthesis and fall back to using fluent LINQ extension methods. Query syntax just doesn't have enough features to use by itself.
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Maven artifact and groupId naming
...ntions on groupId, artifactId, and version which proposes the groupId must start with a reversed domain name you control.
com means this project belongs to a company, and org means this project belongs to a social organization. These are alright, but for those strange domain like xxx.tv, xxx.uk, xx...