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Email Address Validation in Android on EditText [duplicate]
...Message);
final TextView textView = (TextView)findViewById(R.id.text);
String email = emailValidate.getText().toString().trim();
String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\\.+[a-z]+";
emailValidate .addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
... new_profile.save()
def create_auth_token(self):
import random, string
auth = self.user.username[:4] # get first 4 characters in user name
self.auth_token = auth + ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits + string.ascii_lowercase) for _ in range...
How to PUT a json object with an array using curl
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Your command line should have a -d/--data inserted before the string you want to send in the PUT, and you want to set the Content-Type and not Accept.
curl -H 'Content-Type: application/json' -X PUT -d '[JSON]' http://example.com/service
Using the exact JSON data from the question, t...
PHP: How to send HTTP response code?
...");
Note: According to the HTTP RFC, the reason phrase can be any custom string (that conforms to the standard), but for the sake of client compatibility I do not recommend putting a random string there.
Note: php_sapi_name() requires PHP 4.0.1
3rd argument to header function (PHP >= 4.3)
Th...
How to get folder path for ClickOnce application
...ationDeployment.CurrentDeployment.ActivationUri might work
"A zero-length string if the TrustUrlParameters property in the deployment manifest is false, or if the user has supplied a UNC to open the deployment or has opened it locally. Otherwise, the return value is the full URL used to launch the ...
How can I decrease the size of Ratingbar?
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But there is a useless extra padding on the right! How to remove that?!
– Dr.jacky
Jan 15 '18 at 6:37
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Why are joins bad when considering scalability?
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@slolife regular sql views are like running an extra query in the background on the fly when you use a query that references the view. But you can also tell sql server to "materialize" some views. When you do this, sql server will keep an extra copy of the view's data, j...
How to make a Java Generic method static?
... using a specific type (_class_.<_generictypeparams_>_methodname_):
String[] newStrings = ArrayUtils.<String>appendToArray(strings, "another string");
This would only happen if the compiler can't determine the generic type because, e.g. the generic type isn't related to the method arg...
How do you make a HTTP request with C++?
...t contains a 1 or a 0. Is it also possible to download the contents into a string?
22 Answers
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get dictionary value by key
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It's as simple as this:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:
string xmlfi...