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Group by multiple columns in dplyr, using string vector input
... names, just in a formula instead. The point of the question is how to use strings so as to not have to type asihckhdoydk...
– Gregor Thomas
Jan 28 '15 at 0:18
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Retrieving parameters from a URL
...n you a list object. You need to get the first element of it if you want a string urlparse.parse_qs(parsed.query)['def'][0]
– raffaem
Jul 9 '17 at 10:11
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How can I access a JavaScript object which has spaces in the object's key?
...metimes called associative arrays since each property is associated with a string value that can be used to access it. So, for example, you could access the properties of the myCar object as follows:
myCar['make'] = 'Ford';
myCar['model'] = 'Mustang';
myCar['year'] = 1969;
For more, read on at Wo...
Bundling data files with PyInstaller (--onefile)
... Thanks @dilde! Not that the a.datas array from step 5 takes tuples of strings, see pythonhosted.org/PyInstaller/spec-files.html#adding-data-files for reference.
– Ian Campbell
Sep 5 '17 at 17:55
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Best way to implement Enums with Core Data
...nformation about the meta data within the NSNumber category. (i.e. linking strings to the enum values)
– DonnaLea
Jan 28 '14 at 12:42
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How to check that an element is in a std::set?
...lly get std::set::contains method.
#include <iostream>
#include <string>
#include <set>
int main()
{
std::set<std::string> example = {"Do", "not", "panic", "!!!"};
if(example.contains("panic")) {
std::cout << "Found\n";
} else {
std::cout ...
URL rewriting with PHP
... Instead of hard-coding it, you could just use regex to ignore the string completely. In other words, the only thing that counts is the ID part. Going to picture.php/invalid-text/51 would also redirect to the same location. You could also add a check to see if the string is correct and if no...
What is The difference between ListBox and ListView
... The Code Behind section is not valid code as of 2019-04-29 (extra closing brace and UpgradeProperty). Can it be corrected?
– Frederic
Apr 29 '19 at 9:36
2
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How to check internet access on Android? InetAddress never times out
... have a remote glue about internet access, without this permission?)
Extra: One-shot AsyncTask Example
class InternetCheck extends AsyncTask<Void,Void,Boolean> {
private Consumer mConsumer;
public interface Consumer { void accept(Boolean internet); }
public InternetCheck...
Can I use mstest.exe without installing Visual Studio?
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@Russell - Personally I'd either shell out for an extra VS license, or just use NUnit instead.
– Justin
Aug 4 '10 at 6:34
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