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Rendering JSON in controller
...ntroller < ApplicationController
def show
@user = User.find(params[:id])
render json: @user
end
end
Now, if we do an AJAX call using jQuery like this:
$.ajax({
type: "GET",
url: "/users/5",
dataType: "json",
success: function(data){
alert(data.na...
How do I find out which process is locking a file using .NET?
...s) have a lock on the specified file.
/// </summary>
/// <param name="path">Path of the file.</param>
/// <returns>Processes locking the file</returns>
/// <remarks>See also:
/// http://msdn.microsoft.com/en-us/library/windows/desktop/aa373661(...
Parse string to DateTime in C#
...ss a parsing pattern array
// or one or more patterns passed as string parameters
public static DateTime? ToDate(this string dateTimeStr, params string[] dateFmt)
{
// example: var dt = "2011-03-21 13:26".ToDate(new string[]{"yyyy-MM-dd HH:mm",
// ...
How can I do DNS lookups in Python, including referring to /etc/hosts?
...
lookup. it returns the ips that it finds to the caller.
:param target: the URI that you'd like to get the ip address(es) for
:type target: string
:param port: which port do you want to do the lookup against?
:type port: integer
:returns ips...
Serializing a list to JSON
... Author: Joseph Poirier 2/26/2019
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="fileName"></param>
/// <returns></returns>
public static List<T> DeSerializeObject<T>(string fileName)
{
List&l...
How do I check for a network connection?
...ed, as well as virtual network cards.
/// </summary>
/// <param name="minimumSpeed">The minimum speed required. Passing 0 will not filter connection using speed.</param>
/// <returns>
/// <c>true</c> if a network connection is available; otherw...
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...
public int getCircleCount() {
Object param = "1";
String sql = "select count(*) from circle where id = ? ";
jdbcTemplate.setDataSource(getDataSource());
int result = getJdbcTemplate().queryForObject(sql, new Object[] { param }, Integer.class);
re...
What does T&& (double ampersand) mean in C++11?
...ry on A1& and on A1 const&. That might be fine if factory takes 1 parameter type, but each additional parameter type would multiply the necessary overload set by 2. That's very quickly unmaintainable.
rvalue references fix this problem by allowing the standard library to define a std::for...
How to calculate the bounding box for a given lat/lng location?
...inate class in System.Device.Location that takes Latitude and Longitude as parameters.
– Lawyerson
Oct 16 '15 at 9:31
1
...
What is q=0.5 in Accept* HTTP headers?
...
to @kolypto, parameter lists, whether in a URL or in a header doen't have an implicit order.
– JP Silvashy
Jan 24 '17 at 19:58
...