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How can I count the occurrences of a list item?
... I have found that when using this a lot (talking about millions of strings) that it is very slow because of its calls to isinstance. So if you are certain about the data that you're working with, it might be better to write a custom function without type and instance checking.
...
In Gradle, how do I declare common dependencies in a single place?
...on COMPILE_SDK_VERSION as int
buildToolsVersion BUILD_TOOLS_VERSION as String
defaultConfig {
minSdkVersion MIN_SDK_VERSION as int
targetSdkVersion TARGET_SDK_VERSION as int
versionCode 1
versionName "1.0"
}
}
dependencies {
compile "com.android.suppo...
CHECK constraint in MySQL is not working
...GER `test_before_insert` BEFORE INSERT ON `Test`
FOR EACH ROW
BEGIN
IF CHAR_LENGTH( NEW.ID ) < 4 THEN
SIGNAL SQLSTATE '12345'
SET MESSAGE_TEXT := 'check constraint on Test.ID failed';
END IF;
END$$
DELIMITER ;
Prior to MySQL 5.5 you had to cause an error, e.g. ca...
Convert an image (selected by path) to base64 string
How do you convert an image from a path on the user's computer to a base64 string in C#?
12 Answers
...
Rails: Using greater than/less than with a where statement
...xibility with your ARel queries if you're able to use the hash syntax over strings which is why many would prefer this solution. Depending on your project/team/organization you may want something that is easier for someone glancing at the code to figure out, which the accepted answer is.
...
How to provide user name and password when connecting to a network share
...e needs it in a hurry:
public class NetworkConnection : IDisposable
{
string _networkName;
public NetworkConnection(string networkName,
NetworkCredential credentials)
{
_networkName = networkName;
var netResource = new NetResource()
{
Scope...
What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...e the data. Together, they form an object.
public class Foo
{
private String foo;
public Foo(String foo){ this.foo = foo; }
public getFoo(){ return this.foo; }
public static void main(String[] args){
System.out.println( getFoo() );
}
}
What could possibly be the resul...
Deserializing JSON Object Array with Json.net
...; }
}
public class Customer
{
[JsonProperty("first_name")]
public string Firstname { get; set; }
[JsonProperty("last_name")]
public string Lastname { get; set; }
...
}
And you can deserialize your json easily :
JsonConvert.DeserializeObject<List<CustomerJson>>(j...
How to resolve “must be an instance of string, string given” prior to PHP 7?
...s. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You ...
How to delete a character from a string using Python
There is a string, for example. EXAMPLE .
16 Answers
16
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