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How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryPerformanceCount...
Ruby / Rails - Change the timezone of a Time, without changing the value
I have a record foo in the database which has :start_time and :timezone attributes.
11 Answers
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When should I use Inline vs. External Javascript?
...ng to send this portion down the wire, you can expect that the client will start receiving this somewhere around 5ms + latency after connecting to your server. Assuming the server is reasonably close this latency could be between 20ms to 60ms. Browsers will start processing this section as soon as t...
Current location permission dialog disappears too quickly
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Same symptom, different cause: do not to call startUpdatingLocation more than once in a row.
I had accidentally structured things such that the code was unintentionally calling startUpdatingLocation twice in a row, which is apparently bad. It might also have had somethi...
How to use Git?
...hat link is broken: Here is a link to another Git for Designers )
I would start at http://git-scm.com/documentation, there are documents and great video presentations for non-software-developer/cs users. Git for beginners have some basic stuff.
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Math.random() versus Random.nextInt(int)
... }
}
public static void main(String[] args) {
long start = System.currentTimeMillis();
usingRandomClass();
long end = System.currentTimeMillis();
System.out.println("usingRandomClass " + (end - start));
start = System.currentTimeMillis();
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Is there a performance impact when calling ToList()?
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Handy tip, As vs To
You'll notice in LINQ there are several methods that start with As (such as AsEnumerable()) and To (such as ToList()). The methods that start with To require a conversion like above (ie. may impact performance), and the methods that start with As do not and will just require so...
Capitalize the first letter of both words in a two word string
...nction tries to achieve title case (which is something else than all words start with capital letter) by letting start all words with capital letters except a collection of English most likely exceptions (like e.g. c("all", "above", "after", "along", "also", "among", "any", "both", "can", "...
Show history of a file? [duplicate]
...duced if somebody has tweaked it over time, but that could give you a good start.
Finally, gitk as a GUI does show me the patch immediately for any commit I click on.
Example :
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How does a Breadth-First Search work when looking for Shortest Path?
...l-search pattern which considers nodes in order of their distance from the starting point.
– Shashank
Apr 12 '15 at 21:48
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