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Duplicate headers received from server
...e fine. My function to make a valid filename is below.
public static string MakeValidFileName(string name)
{
string invalidChars = Regex.Escape(new string(System.IO.Path.GetInvalidFileNameChars()));
string invalidReStr = string.Format(@"[{0}]+", invalidChars);
strin...
.NET HttpClient. How to POST string value?
...ions.Generic;
using System.Net.Http;
class Program
{
static void Main(string[] args)
{
Task.Run(() => MainAsync());
Console.ReadLine();
}
static async Task MainAsync()
{
using (var client = new HttpClient())
{
client.BaseAddress = ...
How to get a reference to current module's attributes in Python
... Excellent! This just allowed me to use the current module's docstring as a usage message - sys.modules[__name__].__doc__.
– george
Aug 1 '13 at 7:59
...
Facebook Graph API, how to get users email?
...o this if you are using Facebook connect by passing scope=email in the get string of your call to the Auth Dialog.
I'd recommend using an SDK instead of file_get_contents as it makes it far easier to perform the Oauth authentication.
...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
...nal)
Allow access to export key
Open Terminal and go to exported directory
Extract key from p12 container
Be careful as the .pem private key is no longer password protected)
$ openssl pkcs12 -in Certificates.p12 -out Certificates.pem -nodes
Enter Import Password: ********************
MAC verifie...
submitting a GET form with query string params and hidden params disappear
...lt;/form>
I wouldn't count on any browser retaining any existing query string in the action URL.
As the specifications (RFC1866, page 46; HTML 4.x section 17.13.3) state:
If the method is "get" and the action is an HTTP URI, the user agent takes the value of action, appends a `?' to it, then ap...
What's the difference between URI.escape and CGI.escape?
...ll it depends on what you need to do.
URI.escape was supposed to encode a string (URL) into, so called, "Percent-encoding".
CGI::escape is coming from the CGI spec, which describes how data should be encoded/decode between web server and application.
Now, let's say that you need to escape a URI ...
Finding the direction of scrolling in a UIScrollView?
...
No need to add an extra variable to keep track of this. Just use the UIScrollView's panGestureRecognizer property like this. Unfortunately, this works only if the velocity isn't 0:
CGFloat yVelocity = [scrollView.panGestureRecognizer velocity...
Is there a difference between single and double quotes in Java?
...
Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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Counting the number of True Booleans in a Python List
...reinforce that the concept of "true" is more complex; with a little bit of extra code (i.e. using bool()) you can make the solution more robust and more general.
– Ned Deily
Oct 7 '12 at 5:03
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