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What is the difference between a field and a property?
...o change the fields while not affecting the external way they are accessed by the things that use your class.
public class MyClass
{
// this is a field. It is private to your class and stores the actual data.
private string _myField;
// this is a property. When accessed it uses the un...
Where did the name `atoi` come from?
... but in this listing of man pages from Third Edition Unix (1973) collected by Dennis Ritchie himself, it does contain the line:
atoi(III): convert ASCII to integer
In fact, even the first edition Unix (ca 1971) man pages list atoi as meaning Ascii to Integer.
So even if there isn't any docum...
Naming threads and thread-pools of ExecutorService
...hreadGroup and with the same NORM_PRIORITY priority and non-daemon status. By supplying a different ThreadFactory, you can alter the thread's name, thread group, priority, daemon status, etc. If a ThreadFactory fails to create a thread when asked by returning null from newThread, the executor will c...
How to convert a String into an ArrayList?
...
Note that you can't add elements to the list returned by Arrays.asList. The OP wanted to have an ArrayList (which is completely reasonable) and the the ArrayList construction is necessary.
– aioobe
Nov 14 '14 at 17:37
...
Python matplotlib multiple bars
...
Define "messes up"? The X labels overlapping may be fixed by using autofmt_xdate(), which auto-rotates the labels.
– John Lyon
Jan 11 '13 at 3:49
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Python logging not outputting anything
...level != NOTSET or the root (if none is found). The root has WARNING level by default. This is written in the section you've linked to (Logger.setLevel).
– Omri Barel
Oct 3 '17 at 16:32
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How do I list all tables in a schema in Oracle SQL?
...on't need distinct, that's true; however, owner, object_name is not unique by any means in dba_objects; Package Bodies and Packages both appear in that view, and Tables and Indexes are in different namespaces.
– Adam Musch
Aug 20 '13 at 20:59
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How to convert a char to a String?
....toString();
which is less efficient because the StringBuilder is backed by a char[] (over-allocated by StringBuilder() to 16), only for that array to be defensively copied by the resulting String.
String.valueOf(char) "gets in the back door" by wrapping the char in a single-element array and pas...
Using python map and other functional tools
...u ALWAYS get the same output. This avoids a vipers nest of bugs introduced by having global state. As maptest depends on an external definition of bars, this principle is broken.
– image_doctor
Jul 10 '13 at 13:22
...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...r maintains ownership of the physical
connection. It manages connections by keeping alive a set of active
connections for each given connection configuration. Whenever a user
calls Open on a connection, the pooler looks for an available
connection in the pool. If a pooled connection is avail...