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Difference between Convert.ToString() and .ToString()
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var arg = Request.Params.Get("__EVENTARGUMENT"); string _arg = Convert.ToString(arg); _arg is not returing String.Empty when arg is null. why?
– vml19
Mar 12 '12 at 3:33
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POST data with request module on Node.JS
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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...
Send a file via HTTP POST with C#
...private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpContent fileStreamContent = new StreamContent(paramFileStream);
HttpContent bytesConte...
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...
Measuring execution time of a function in C++
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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 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));
...
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($...
How can I mock requests and the response?
... # We can even assert that our mocked method was called with the right parameters
self.assertIn(mock.call('http://someurl.com/test.json'), mock_get.call_args_list)
self.assertIn(mock.call('http://someotherurl.com/anothertest.json'), mock_get.call_args_list)
self.assertEq...
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);
...