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How to convert a string to number in TypeScript?
...ould be:
Number('1234') // 1234
Number('9BX9') // NaN
as answered here: https://stackoverflow.com/a/23440948/2083492
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How to flip UIImage horizontally?
...t work in this case. Here is a code to do the actual data flip inspired by https://stackoverflow.com/a/17909372
- (UIImage *)flipImage:(UIImage *)image
{
UIGraphicsBeginImageContext(image.size);
CGContextDrawImage(UIGraphicsGetCurrentContext(),CGRectMake(0.,0., image.size.width, image.size....
Change UITextField and UITextView Cursor / Caret Color
...ld.tintColor = UIColor.blackColor()
You can also set this in storyboard: https://stackoverflow.com/a/18759577/3075340
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Frontend tool to manage H2 database [closed]
...rt ] The port (default: 8082)
[-webSSL] Use encrypted (HTTPS) connections
[-browser] Start a browser and open a page to connect to the web server
[-tcp] Start the TCP server
[-tcpAllowOthers] Allow other computers to connect - see below
[-tcpPo...
How to select the rows with maximum values in each group with dplyr? [duplicate]
...Currently, you can't change the this default without causing an error (See https://github.com/hadley/dplyr/issues/426)
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javascript check for not null
...e, than both the Strict Not Version !== and the Non-Strict Not Version != (https://jsperf.com/tfm-not-null/6). However, it will typecast "Falsey" values like undefined and NaN into False (http://www.ecma-international.org/ecma-262/5.1/#sec-9.2) which may lead to unexpected results, and it has worse ...
Persist javascript variables across pages? [duplicate]
...s fiddly than cookies.
http://www.w3.org/TR/2009/WD-webstorage-20091222/
https://www.w3.org/TR/webstorage/. (second edition)
Here are some sample code for setting and getting the values using sessionStorage and localStorage :
// HTML5 session Storage
sessionStorage.setItem("variableName","tes...
How to convert string into float in JavaScript?
...ded up writing a library to do this. If you are interested it here it is : https://github.com/GuillaumeLeclerc/number-parsing
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what are the .map files used for in Bootstrap 3.x?
...Like me), you can usually find them by adding .map to the end of the URL:
https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css.map
Be sure to replace the version with whatever version of Bootstrap you're using.
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Sankey Diagrams in R?
...y projection data
# Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/christophergandrud/networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
...