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Parsing CSV files in C#, with header
...rs(",");
while (!parser.EndOfData)
{
//Process row
string[] fields = parser.ReadFields();
foreach (string field in fields)
{
//TODO: Process field
}
}
}
The docs are here - TextFieldParser Class
P.S. If you need a CSV exporter, try C...
What are all the common ways to read a file in Ruby?
... a starting point perl.com/article/21/2013/4/21/Read-an-entire-file-into-a-string
– the Tin Man
Aug 28 at 0:28
add a comment
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Android - Set fragment id
...
You can't set a fragment's ID programmatically.
There is however, a String tag that you can set inside the FragmentTransaction which can be used to uniquely identify a Fragment.
As Aleksey pointed out, you can pass an ID to FragmentTransaction's add(int, Fragment) method. However, this does ...
Does Java have a complete enum for HTTP response codes?
...pe in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
...
In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
...
Scatterplot with too many points
...;- data.frame(x = rnorm(5000),y=rnorm(5000))
ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regula...
Delete multiple records using REST
...ill think a single resource, at the specified URL, is being deleted. Query strings are opaque parts of the URL to these devices, so it doesn't matter how you specify your API, they are not privy to this knowledge so cannot behave differently.
– Nicholas Shanks
...
Which is better, number(x) or parseFloat(x)?
...erence between parseFloat and Number
parseFloat/parseInt is for parsing a string, while Number/+ is for coercing a value to a number. They behave differently. But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'); // => 3
parseFloat('1.501'); // => 1.501...
How to scale threads according to CPU cores?
...d run() {
// do one task
}
});
or
Future<String> future = pool.submit(new Callable<String>() {
public String call() throws Exception {
return null;
}
});
future.get(); // Will block till result available
This is a lot ...
Run an app on a multiple devices automatically in Android Studio
... device. Is there any way to deploy the app on a multiple devices automatically - by clicking Run or even better with a shortcut?
...