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Ruby Regexp group matching, assign variables on 1 line
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201
You don't want scan for this, as it makes little sense. You can use String#match which will ret...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
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answered May 21 '13 at 9:07
MattMatt
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How to sort my paws?
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+50
Alright! I've finally managed to get something working consistently! This problem pulled me in for several days... Fun stuff! Sorry fo...
Associative arrays in Shell scripts
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20
To add to Irfan's answer, here is a shorter and faster version of get() since it requires no ite...
Check play state of AVPlayer
...t; duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTime:firstThird], [NSValue valueWithCMTime:secondThird], nil];
self.playerObserver...
What do numbers using 0x notation mean?
What does a 0x prefix on a number mean?
5 Answers
5
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How to concatenate strings with padding in sqlite
... seemingly-cheater way I've used is to start with your target string, say '0000', concatenate '0000423', then substr(result, -4, 4) for '0423'.
Update: Looks like there is no native implementation of "lpad" or "rpad" in SQLite, but you can follow along (basically what I proposed) here: http://verys...
Random Gaussian Variables
...rand = new Random(); //reuse this if you are generating many
double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0-rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal =...
Showing data values on stacked bar chart in ggplot2
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From ggplot 2.2.0 labels can easily be stacked by using position = position_stack(vjust = 0.5) in geom_text.
ggplot(Data, aes(x = Year, y = Frequency, fill = Category, label = Frequency)) +
geom_bar(stat = "identity") +
geom_text(size =...
How to convert an Stream into a byte[] in C#? [duplicate]
...] ReadToEnd(System.IO.Stream stream)
{
long originalPosition = 0;
if(stream.CanSeek)
{
originalPosition = stream.Position;
stream.Position = 0;
}
try
{
byte[] readBuffer = new byte[4096];
int tot...