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What does map(&:name) mean in Ruby?
...oo method, and used the & to signify that it has a to_proc method that converts it into a Proc.
This is very useful when you want to do things point-free style. An example is to check if there is any string in an array that is equal to the string "foo". There is the conventional way:
["bar", "...
Insert space before capital letters
...
Here is what i ended up using to convert a string to a title case, based on a few of the answers here:
str = str
.replace(/(_|-)/g, ' ')
.trim()
.replace(/\w\S*/g, function(str) {
return str.charAt(0).toUpperCase() + str.substr(1)
})
.repla...
How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
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What are the pros and cons of the leading Java HTML parsers? [closed]
...
Jsoup also provides a completely own API. It gives you the possibility to select elements using jQuery-like CSS selectors and provides a slick API to traverse the HTML DOM tree to get the elements of interest.
Particularly the traversing of the HTML DOM tree is the major strength of Jsoup. Ones who...
Split list into smaller lists (split in half)
...
also useful to convert list to matrix
– mpgn
Nov 10 '15 at 21:05
...
Parcelable encountered IOException writing serializable object getactivity()
... to get image. I've already set it before and now I just get it first than convert it and pass it separatly:
Bitmap image = selectedItem.getPlacePhoto();
image.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();
Intent intent = new Intent(YourPresentActivi...
How can I define a composite primary key in SQL?
...for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because to use a composite index requires using all the keys from th...
Java: parse int value from a char
...y simply subtracting by char '0'(zero) a char (of digit '0' to '9') can be converted into int(0 to 9), e.g., '5'-'0' gives int 5.
String str = "123";
int a=str.charAt(1)-'0';
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Installing Apple's Network Link Conditioner Tool
...per.apple.com/download/more/?q=Additional%20Tools
Install the dmg file, select hardware from installer
select Network Link conditioner prefpane
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Get the current user, within an ApiController action, without passing the userID as a parameter
... AccountController added in a project is very likely a Mvc.Controller. To convert his answer for use in an ApiController change HttpContext.Current.GetOwinContext() to Request.GetOwinContext() and make sure you have added the following 2 using statements:
using Microsoft.AspNet.Identity;
using Mic...