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How can I find out the current route in Rails?
...uri as "/my/test/path"
To find out the route i.e. controller, action and params:
path = ActionController::Routing::Routes.recognize_path "/your/path/here/"
# ...or newer Rails versions:
#
path = Rails.application.routes.recognize_path('/your/path/here')
controller = path[:controller]
action = p...
how can you easily check if access is denied for a file in .NET?
... of attempt and Sleep delay between attempts.
/// </summary>
/// <param name="filePath">The full file path to be opened</param>
/// <param name="fileMode">Required file mode enum value(see MSDN documentation)</param>
/// <param name="fileAccess">Required file acce...
AsyncTask Android example
...g> {
@Override
protected String doInBackground(Void... params) {
for (int i = 0; i < 5; i++) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// We were cancelled; stop sleeping!
...
What's the “big idea” behind compojure routes?
.... As an added convenience, defroutes-defined handlers are wrapped in wrap-params and wrap-cookies implicitly.
Here's an example of a more complex route:
(def echo-typed-url-route
(GET "*" {:keys [scheme server-name server-port uri]}
(str (name scheme) "://" server-name ":" server-port uri))...
Linq: adding conditions to the where clause conditionally
...
Assuming following parameter,
Int? Age = 18;
Simply using && and || conditional operators we can have another version.
(from u in DataContext.Users
where u.Division == strUserDiv
&& (Age == null || u.Age > Age)
&...
Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...; is not a drop in replacement of #try. Take a look at this example:
> params = nil
nil
> params&.country
nil
> params = OpenStruct.new(country: "Australia")
#<OpenStruct country="Australia">
> params&.country
"Australia"
> params&.country&.name
NoMethodError: u...
How can I delete a query string parameter in JavaScript?
Is there better way to delete a parameter from a query string in a URL string in standard JavaScript other than by using a regular expression?
...
Facebook share button and custom text [closed]
...
To give custom parameters to facebook share its better to give only the link and facebook gets its Title + Description + Picture automatically from the page that you are sharing.
In order to "help" facebook API find those things you can pu...
Changing the color of the axis, ticks and labels for a plot in matplotlib
...
ax.spines['top'].set_color('red')
ax.xaxis.label.set_color('red')
ax.tick_params(axis='x', colors='red')
plt.show()
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Generating all permutations of a given string
...he Coding Interview" (P54):
/**
* List permutations of a string.
*
* @param s the input string
* @return the list of permutations
*/
public static ArrayList<String> permutation(String s) {
// The result
ArrayList<String> res = new ArrayList<String>();
// If inpu...