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Error: Can't set headers after they are sent to the client
...body
var doesNotModifyBody = function(request, response, next) {
request.params = {
a: "b"
};
// calls next because it hasn't modified the header
next();
};
// middleware that modify the response body
var doesModifyBody = function(request, response, next) {
response.setHeader("Content...
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...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...rWillcocks, just call the default constructor then: public YourStruct(some params) : this() (see vittore's answer)
– Thomas Levesque
Nov 27 '12 at 2:25
...
How do I run Python code from Sublime Text 2?
... the meaning of option "-u"? I cannot find the list option of command line params to pass together with python.exe.
– Jim Raynor
Apr 18 '14 at 20:33
...
Android- create JSON Array and JSON Object
...
You can create a a method and pass paramters to it and get the json as a response.
private JSONObject jsonResult(String Name,int id, String curriculum) throws JSONException {
JSONObject json = null;
json = new JSONObject("{\"" + "Name" + "\"...
Avoiding SQL injection without parameters
We are having another discussion here at work about using parametrized sql queries in our code. We have two sides in the discussion: Me and some others that say we should always use parameters to safeguard against sql injections and the other guys that don't think it is necessary. Instead they want ...
How to send a header using a HTTP request through a curl call?
..." -X GET http://hostname/resource
POST:
For posting data:
curl --data "param1=value1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http://hostname/resource
For logg...
Dynamically select data frame columns using $ and a character value
...ot sure what else you may be missing) is that it should be order(Q1_R1000[,parameter[X]]) instead of order(Q1_R1000$parameter[X]), since parameter is an external object that contains a variable name opposed to a direct column of your data frame (which when the $ would be appropriate).
set.seed(1)
d...
Authorize Attribute with Multiple Roles
...zeRolesAttribute : AuthorizeAttribute
{
public AuthorizeRolesAttribute(params string[] roles) : base()
{
Roles = string.Join(",", roles);
}
}
Assuming your roles will be the same for multiple controllers, create a helper class:
public static class Role
{
public const strin...
How can I remove a key and its value from an associative array?
...
return array_diff_key($array, array_flip((array) $keys));
}
First param pass all array, second param set array of keys to remove.
For example:
$array = [
'color' => 'red',
'age' => '130',
'fixed' => true
];
$output = array_except($array, ['color', 'fixed']);
// $out...