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Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg
...ction locates the row by getting the location in the table view of a touch from the event provided by the button and asking the table view for the index path of the row at that point.
share
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improv...
How can I add a key/value pair to a JavaScript object?
...ssign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
Live example
var obj = {key1: "value1", key2: "value2"};
Object.assign(obj, {key3: "value3"});
document.body.innerHTML = JSON.stringi...
How do I remove the passphrase for the SSH key without having to create a new key?
...less you have other keylogger there). You could also get rid of the record from the history..
– Huge
Nov 29 '16 at 5:42
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How can I install a local gem?
...
I can confirm from the future of 2020, the link works for me. In case it doesn't work in the distant future, here's the Archive.org April 19th, 2020 snapshot
– Jed Burke
May 30 at 10:23
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How to remove multiple deleted files in Git repository
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@kelin: from git docs (git-scm.com/docs/git-add): "-u --update Update the index just where it already has an entry matching <pathspec>. This removes as well as modifies index entries to match the working tree, but adds no new ...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t).
Python encourages the use of exceptions, which you handle is a phrase from Dive Into Python. Your example not only handles the exception (gracefully), rather than letting it silently pass, also the exception occurs only in the exceptional case of index not being found (hence the word exception!...
Filter Java Stream to 1 and only 1 element
... + b);
})
.get();
This obtains the sole matching element from the stream, throwing
NoSuchElementException in case the stream is empty, or
IllegalStateException in case the stream contains more than one matching element.
A variation of this approach avoids throwing an exception ...
What is recursion and when should I use it?
...ily be replaced by more efficient iteration. After all, recursion suffers from function call overhead, which in the example above could be substantial compared to the operation inside the function itself.
So the whole reason to do recursion rather than iteration should be to take advantage of the ...
REST response code for invalid data
...d it should be treated by browsers the same as any other 4xx status code.
From RFC 4918:
The 422 (Unprocessable Entity) status code means the server understands the content type of the request entity (hence a 415(Unsupported Media Type) status code is inappropriate), and the syntax of the reque...
Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
... only contain "letters" used in actual alphabets; that is, ಠ
is a symbol from the Kannada alphabet, and 草泥马 consists of Chinese characters.
◎ and ☺, however, are purely symbols; they are not associated with any alphabet.
The ECMAScript standard, chapter 7.6 (which all the browsers exce...