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Inheritance and Overriding __init__ in python
...Info(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass built-in classes, like dict, list, tuple, etc.
The super function handles tracking down this clas...
What is the difference between the HashMap and Map objects in Java?
...ementation was using a HashMap (and that does happen), what I should have done was declare getThings and getMoreThings as just returning Map<String, Object> without being any more specific than that. In fact, barring a good reason to do something else, even within Foo I should probably declare...
Reading CSV files using C#
...e VB TextFieldParser and it did the trick. Thanks
– Gone Coding
May 21 '12 at 12:54
11
+1 Great a...
How to tag an older commit in Git?
...
@ColonelPanic, your wish is my command! github.com/lucasrangit/git-custom-commands/blob/master/…
– Lucas
Feb 2 '17 at 22:15
...
slf4j: how to log formatted message, object array, exception
...FAQ entry.
So, writing (in SLF4J version 1.7.x and later)
logger.error("one two three: {} {} {}", "a", "b",
"c", new Exception("something went wrong"));
or writing (in SLF4J version 1.6.x)
logger.error("one two three: {} {} {}", new Object[] {"a", "b",
"c", new E...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...ng as a zero length file) as /tmp/mysql.sock or /var/mysql/mysql.sock, but one or more apps is looking in the other location for it. Find out with this command:
ls -l /tmp/mysql.sock /var/mysql/mysql.sock
Rather than move the socket, edit config files, and have to remember to keep edited files lo...
Error: Jump to case label
...
The problem is that variables declared in one case are still visible in the subsequent cases unless an explicit { } block is used, but they will not be initialized because the initialization code belongs to another case.
In the following code, if foo equals 1, ever...
How can I let a table's body scroll but keep its head fixed in place?
... a wide table (horizontal scroll). You'll have two horizontal scrollbars; one for the header and one for the data.
– vol7ron
Aug 18 '11 at 21:41
4
...
What are the differences between Deferred, Promise and Future in JavaScript?
...hing which
can lead to tightly coupled interfaces, using promises allows one to
separate concerns for code that is synchronous or asynchronous.
Personally, I've found deferred especially useful when dealing with e.g. templates that are populated by asynchronous requests, loading scripts that h...
Get a filtered list of files in a directory
...
Oh, I just noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben...