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How do I unset an element in an array in javascript?
... arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus:
var myArray = [];
myArray["bar"] = true;
myArray[...
How to randomly sort (scramble) an array in Ruby?
... shuffle and shuffle! to a bunch of core classes including Array, Hash and String.
Just be careful if you're using Rails as I experienced some nasty clashes in the way its monkeypatching clashed with Rails'...
share
...
stash@{1} is ambiguous?
...n Windows"
(setcar (nthcdr 2 args)
(replace-regexp-in-string "{\\([0-9]+\\)}" "\\\\{\\1\\\\}" (elt args 2)))
)
)
This will quote {} in a 3rd parameter in ("stash", "cmd", "stash@{0}") which is run by magit-run-git
...
How can I pretty-print JSON using node.js?
...
JSON.stringify's third parameter defines white-space insertion for pretty-printing. It can be a string or a number (number of spaces). Node can write to your filesystem with fs. Example:
var fs = require('fs');
fs.writeFile('te...
C# Pass Lambda Expression as Method Parameter
...mbda)
{
using (SqlConnection connection = new SqlConnection(getConnectionString())) {
connection.Open();
return connection.Query<FullTimeJob, Student, FullTimeJob>(sql,
lambda,
splitOn: "user_id",
param: parameters).ToList<IJob>();
}
}
You woul...
pass **kwargs argument to another function with **kwargs
...
# this yields the same error as any other positional argument
foo(3)
foo("string")
Here you can see how unpacking a dictionary works, and why sending an actual dictionary fails
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improve t...
What does Html.HiddenFor do?
...nsider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
Now you want the edit page to store the ID but have it not be seen:
<% using(Html.BeginForm() { %>
<%= Html.HiddenFor(model.Id) %><br />
...
How to catch SQLServer timeout exceptions
...ntly. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
...
git: switch branch without detaching head
...eckout localname
git push origin
For convenience, you may use the same string for localname & branchname
When you checked out origin/branchname you weren't really checking out a branch.
origin/branchname is a "remote" name, and you can get a list of them with
branch -a
If you have colo...
What is the meaning of the term “thread-safe”?
...r to do so.
For example, Java has two classes that are almost equivalent, StringBuffer and StringBuilder. The difference is that StringBuffer is thread-safe, so a single instance of a StringBuffer may be used by multiple threads at once. StringBuilder is not thread-safe, and is designed as a higher...