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How to check file MIME type with javascript before upload?
...r = "";
for(var i = 0; i < arr.length; i++) {
header += arr[i].toString(16);
}
console.log(header);
// Check the file signature against known types
};
fileReader.readAsArrayBuffer(blob);
You can then determine the real MIME type like so (more file signatures here and here):
swit...
How to Implement DOM Data Binding in JavaScript
... being the object that you wish to define a new property for, the second a string resembling the the name of the new property and the last a "descriptor object" providing information on the behavior of the new property.
Two particularly interesting descriptors are get and set. An example would look...
filtering NSArray into a new NSArray in Objective-C
... it may just be easier to convert the function's conditions to a predicate string.
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...= [UIImage imageNamed:@"placeholder.png"];
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://myurl.com/%@.jpg", self.myJson[indexPath.row][@"movieId"]]];
NSURLSessionTask *task = [[NSURLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable da...
Failed to serialize the response in Web API with Json
...make things more confusing.
Example:
public class UserModel {
public string Name {get;set;}
public string Age {get;set;}
// Other properties here that do not reference another UserModel class.
}
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What's the best way to put a c-struct in an NSArray?
...re, and checked at compilation - much safer than pulling an arbitrary byte string out of NSData/NSValue representations. they also have bounds checking and mostly automatic management of memory. (cont)
– justin
Dec 30 '10 at 0:38
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Co-variant array conversion from x to y may cause run-time exception
...x(); // compile time legal, runtime exception
And in more general terms
string[] array = new string[10];
object[] objs = array; // legal at compile time
objs[0] = new Foo(); // again legal, with runtime exception
In C#, you are allowed to reference an array of objects (in your case, LinkLabels)...
REST API Token-based Authentication
...the baseauth password. For improved robustness, I recommend using a random string instead of the timestamp as a "nonce" to prevent replay attacks (two legit requests could be made during the same second). Instead of providing seperate "shared secret" and "api key" fields, you can simply use the api ...
Git authentication fails after enabling 2FA
...case, the credential is NOT your real password, it is a randomly generated string. So it is as secure as using a ssh private key a passphrase-less ssh private key. CAVEAT: keep in mind that, if you happen to also use another git account(s) without 2FA on this machine, those real password(s) will als...
How do I run all Python unit tests in a directory?
....
import glob
import unittest
test_files = glob.glob('test_*.py')
module_strings = [test_file[0:len(test_file)-3] for test_file in test_files]
suites = [unittest.defaultTestLoader.loadTestsFromName(test_file) for test_file in module_strings]
test_suite = unittest.TestSuite(suites)
test_runner = un...