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SQL query return data from multiple tables
...---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+----------------+
| id | int(3) | NO | PRI | NULL | auto_increment |
| color | varchar(15) | YES | | NULL | |
| paint | varcha...
Is Java really slow?
...on Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will creat...
java.util.regex - importance of Pattern.compile()?
...rtance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
8 An...
Python Requests throwing SSLError
...he following options, your best option is to set the verify parameter to a string that is the path of the .pem file of the certificate (which you should obtain by some sort of secure means).
So, as of version 2.0, the verify parameter accepts the following values, with their respective semantics:
...
How to TryParse for Enum value?
I want to write a function which can validate a given value (passed as a string) against possible values of an enum . In the case of a match, it should return the enum instance; otherwise, it should return a default value.
...
Create an Array of Arraylists
... Any reason this would be preferable over @kelvincer Answer (ArrayList<String>[] group = new ArrayList[4])? What extra good doe sthe cast do?
– cellepo
Mar 22 '16 at 21:12
...
Passing data between a fragment and its container activity
...the interface...
public interface OnDataPass {
public void onDataPass(String data);
}
Then, connect the containing class' implementation of the interface to the fragment in the onAttach method, like so:
OnDataPass dataPasser;
@Override
public void onAttach(Context context) {
super.onAtt...
Formatting floats without trailing zeros
...at it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible.
18 Answers
...
What is the boundary in multipart/form-data?
...
@K3rnel31 Of course, unless the new boundary string has the same length.
– Oscar Mederos
Apr 16 '14 at 19:00
5
...
How to throw std::exceptions with variable messages?
... {
stream_ << value;
return *this;
}
std::string str() const { return stream_.str(); }
operator std::string () const { return stream_.str(); }
enum ConvertToString
{
to_str
};
std::string operator >> (ConvertToString) { r...