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What are “res” and “req” parameters in Express functions?
...esponse to req, you use res to send back the desired HTTP response.
Those parameters can be named anything. You could change that code to this if it's more clear:
app.get('/user/:id', function(request, response){
response.send('user ' + request.params.id);
});
Edit:
Say you have this method:...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
....Equals(item.Namespace))</para>
/// </summary>
/// <param name="assembly">The assembly to search</param>
/// <param name="predicate">The predicate query to match against</param>
/// <returns>The collection of types within the assembly that ma...
Get URL query string parameters
What is the "less code needed" way to get parameters from a URL query string which is formatted like the following?
11 Answ...
How to do 3 table JOIN in UPDATE query?
...
For PostgreSQL example:
UPDATE TableA AS a
SET param_from_table_a=FALSE -- param FROM TableA
FROM TableB AS b
WHERE b.id=a.param_id AND a.amount <> 0;
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imp...
Force HTML5 youtube video
... Internet Explorer still use Flash if it is installed on the machine.
The parameter html5=1 does not do anything (anymore) now. (Note it is not even listed at https://developers.google.com/youtube/player_parameters.)
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How do I explicitly instantiate a template function?
...something) the function, do this:
template <typename T> void func(T param) {} // definition
template void func<int>(int param); // explicit instantiation.
[EDIT] There seems to be (a lot) of confusion regarding explicit instantiation and specialization.
The code I posted above deals ...
Hiding axis text in matplotlib plots
...xis().set_visible(False). I think matplotlib in this case initializes some parameters as if the plot is 2D. ax.set_zticks([]) will do what you want
– kon psych
Feb 9 '15 at 20:24
...
HashSet vs LinkedHashSet
...th the specified initial
* capacity and the specified load factor.
*
* @param initialCapacity the initial capacity of the hash map
* @param loadFactor the load factor of the hash map
* @param dummy ignored (distinguishes this
* constructor from o...
Algorithm to get the excel-like column name of a number
...k https://vector.cool/php-number-convert-to-excel-column-letters-2
*
* @param int $num 欄數
* @param bool $uppercase 大小寫
* @return void
*/
function num_to_letters($n)
{
$n -= 1;
for ($r = ""; $n >= 0; $n = intval($n / 26) - 1)
$r = chr($n % 26 + 0x41) . $r;
...
Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
... flow the access token is passed directly as a hash fragment (not as a URL parameter). One important thing about hash fragment is that, once you follow a link containing a hash fragment, only the browser is aware of the hash fragment. Browsers will pass the hash fragment directly to the destination ...