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Python function as a function argument?
...ic ... with various arguments ...
>>> def x(a,b):
... print "param 1 %s param 2 %s"%(a,b)
...
>>> def y(z,t):
... z(*t)
...
>>> y(x,("hello","manuel"))
param 1 hello param 2 manuel
>>>
...
POST data with request module on Node.JS
...
When using request for an http POST you can add parameters this way:
var request = require('request');
request.post({
url: 'http://localhost/test2.php',
form: { mes: "heydude" }
}, function(error, response, body){
console.log(body);
});
...
How to debug PDO database queries?
...d use var_dump (or an equivalent) just after, to display the values of the parameters
This is generally enough to see a possible error, even if you don't have any "real" query that you can execute.
This is not great, when it comes to debugging -- but that's the price of prepared statements and the...
Measuring execution time of a function in C++
...
auto timeFuncInvocation =
[](auto&& func, auto&&... params) {
// get time before function invocation
const auto& start = std::chrono::high_resolution_clock::now();
// function invocation using perfect forwarding
std::forward<decltype(func...
How to develop a soft keyboard for Android? [closed]
...efaultKeyboard() {
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
}
private void setFrow() {
w = (mWindowWidth / 13);
w = w - 15;
mB[16].setWidth(w);
mB[22].setWidth(w + 3);
mB[4].setWidth(w);
mB[17].setWidth(w);
mB[19].setWidth(w);
...
Why are Perl 5's function prototypes bad?
...t-a-distance. (Especially the $ prototype, which causes the corresponding parameter to be evaluated in scalar context, instead of the default list context.)
In particular, they make it hard to pass parameters from arrays. For example:
my @array = qw(a b c);
foo(@array);
foo(@array[0..1]);
foo($...
Querying DynamoDB by date
... in your table, and then checking if that row has a date that matches your parameters. This is really expensive, especially if you are in the business of storing events by date in the first place (i.e. you have a lot of rows.)
You may be tempted to put all the data in a single partition to solve t...
from jquery $.ajax to angular $http
...lback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of then usage can be found here
The above is just a quick example and some pointers, be sure to check AngularJS documentation ...
How to get the size of a JavaScript object?
...def'}));
// 8B for Number => 8B
console.log(sizeof(12345));
var param = {
'a': 1,
'b': 2,
'c': {
'd': 4
}
};
// 4 one two-bytes char strings and 3 eighth-bytes numbers => 32B
console.log(sizeof(param));
...
Comment Inheritance for C# (actually any language)
...important stuff. --- For example, it can generate the <summary>, <param>, <returns>, <throws>, etc... sections for you. Many times with good-enough results; other times needing corrections or expanding, but still reducing overall effort.
– XenoRo
...