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When to wrap quotes around a shell variable?
...nt into many.
$? doesn't need quotes since it's a numeric value. Whether $URL needs it depends on what you allow in there and whether you still want an argument if it's empty.
I tend to always quote strings just out of habit since it's safer that way.
...
Prevent user from seeing previously visited secured page after logout
...e browser back button, visiting browser history or even by re-entering the URL in browser's address bar.
5 Answers
...
Take a screenshot of a webpage with JavaScript?
...d have .NET installed you can do:
public Bitmap GenerateScreenshot(string url)
{
// This method gets a screenshot of the webpage
// rendered at its full size (height and width)
return GenerateScreenshot(url, -1, -1);
}
public Bitmap GenerateScreenshot(string url, int width, int height)...
Any way to properly pretty-print ordered dictionaries?
...t((('john',1), ('paul',2), ('mary',3))),
OrderedDict((('moe',1), ('curly',2), ('larry',3))),
OrderedDict((('weapons',1), ('mass',2), ('destruction',3)))]
Sample output:
pprint(d, width=40)
» {'john': 1, 'mary': 3, 'paul': 2}
pprint(od, width=40)
» OrderedDict([('john', ...
Unable to evaluate expression because the code is optimized or a native frame is on top of the call
...
Request.Redirect(url,false);
false indicates whether execution of current page should terminate.
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Force browser to clear cache
...file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // This is the URL for release 1.0
script.css?v=1.1 // This is the U...
Java client certificates over HTTPS/SSL
I am using Java 6 and am trying to create an HttpsURLConnection against a remote server, using a client certificate.
The server is using an selfsigned root certificate, and requires that a password-protected client certificate is presented. I've added the server root certificate and the client c...
Do a “git export” (like “svn export”)?
...
@andyf GitHub has its own way: curl -L https://api.github.com/repos/VENDOR/PROJECT/tarball | tar xzf - per docs
– bishop
Jul 31 '14 at 13:51
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Sending “User-agent” using Requests library in Python
...a dictionary and specify your headers directly, like so:
import requests
url = 'SOME URL'
headers = {
'User-Agent': 'My User Agent 1.0',
'From': 'youremail@domain.com' # This is another valid field
}
response = requests.get(url, headers=headers)
If you're using requests v2.12.x and ol...
How to use HttpWebRequest (.NET) asynchronously?
...gs) => {
args.Result = new WebClient().DownloadString(settings.test_url);
};
worker.RunWorkerCompleted += (sender, e) => {
if (e.Error != null) {
connectivityLabel.Text = "Error: " + e.Error.Message;
} else {
connectivityLabel.Text = "Connectivity OK";
Log....