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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
I am using split('\n') to get lines in one string, and found that ''.split() returns an empty list, [] , while ''.split('\n') returns [''] . Is there any specific reason for such a difference?
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Change private static final field using Java reflection
....FINAL);
field.set(null, newValue);
}
public static void main(String args[]) throws Exception {
setFinalStatic(Boolean.class.getField("FALSE"), true);
System.out.format("Everything is %s", false); // "Everything is true"
}
}
Assuming no SecurityException is thrown...
Simple way to transpose columns and rows in SQL?
...ate the list of items to UNPIVOT and PIVOT. This is then added to a query string to be executed. The plus of the dynamic version is if you have a changing list of colors and/or names this will generate the list at run-time.
All three queries will produce the same result:
| NAME | RED | GREEN | BL...
Create a .csv file with values from a Python list
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If you are writing string objects to a file, would suggest using 'wt' while opening file to avoid TypeError: a bytes-like object is required, not 'str'.
– don_Gunner94
Mar 4 at 11:39
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MySQL “incorrect string value” error when save unicode string in Django
...code_escape')
>>> Slatkevičius
Is this the only method to save strings like that into a MySQL table and decode it before rendering to templates for display?
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ple, I like to use the following style:
(list
filter (...)
map (...)
mkString ", "
)
That's the same thing as:
list filter (...) map (...) mkString ", "
Now, why am I using parenthesis here, if filter and map take a single parameter? It's because I'm passing anonymous functions to them. I c...
How to write a JSON file in C#?
...a.Add(new data()
{
Id = 1,
SSN = 2,
Message = "A Message"
});
string json = JsonConvert.SerializeObject(_data.ToArray());
//write string to file
System.IO.File.WriteAllText(@"D:\path.txt", json);
Or the slightly more efficient version of the above code (doesn't use a string as a buff...
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) {
...
When should I use RequestFactory vs GWT-RPC?
...ying, but if you have to create proxies anyway, then you'd rather have the extra help that RF gives you for managing those proxies. Not everybody wants to send the entire pojo to the client - for example, consider a poker game - your Player object might have information that everybody should see (n...
Can I find out the return value before returning while debugging in Eclipse?
... the parent class and do my debugging in the wrapper/child class. It takes extra work though.
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