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Convert column classes in data.table
...
Raising Matt Dowle's comment to Geneorama's answer (https://stackoverflow.com/a/20808945/4241780) to make it more obvious (as encouraged), you can use for(...)set(...).
library(data.table)
DT = data.table(a = LETTERS[c(3L,1:3)], b = 4:7, c = letters[1:4])
DT1 <- copy(DT)...
C libcurl get output into a string
...);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); //only for https
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); //only for https
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWrite_CallbackFunc_StdString);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &am...
PhpStorm text size
...dd::
send,^{WheelUp}
return
the complete script you could find here: https://gist.github.com/sl5net/7170280#file-gistfile1-txt
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
...
Try this 0.ToString("#,##; #,##;0")
https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-numeric-format-strings#SectionSeparator
The first section applies to positive values, the second section applies to negative values, and the third section ap...
Select Row number in postgres
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Add vertical whitespace using Twitter Bootstrap?
...ertical spacing solution is, apparently, on the roadmap for bootstrap v4
https://github.com/twbs/bootstrap/issues/4286#issuecomment-36331550
https://github.com/twbs/bootstrap/issues/13532
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How to launch an Activity from another Application in Android
...null){
startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("https://play.google.com/store/apps/details?id=" + "applicationId")));
} else {
startActivity(launchIntent);
}
Original Answer
Although answered well, there is a pretty simple implementation that handles if the app is n...
Left align and right align within div in Bootstrap
... <div class="p-2">Flex item</div>
</div>
Learn more at https://v4-alpha.getbootstrap.com/utilities/flexbox/
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HttpListener Access Denied
...istener for instance.
The following is a modified excerpt of this sample:
https://github.com/googlesamples/oauth-apps-for-windows/tree/master/OAuthDesktopApp
// Generates state and PKCE values.
string state = randomDataBase64url(32);
string code_verifier = randomDataBase64url(32);
string code_chal...
What's the difference if I put css file inside or ?
... of the HTML spec now permits the <style> tag within body elements. https://www.w3.org/TR/html5/dom.html#flow-content
Also the scoped attribute which used to be prerequisite to have a style tag in the body is now obsolete.
This means, that you can use the style tag everywhere you want, the o...