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Why is IoC / DI not common in Python?
... class. In IoC, the dependency shoudl be provided instead of hardcoded. In top of that, in Dependency Injection, you will have an entity responsible of managing the lifecycles of each service and inject them when that is the case. The solution provided in not any of those.
– Ri...
Understanding prototypal inheritance in JavaScript
...
Nice book. You should note that the link at the top of the github page is broken, though, of course, it can be found in the contents.
– John Powell
Jul 18 '14 at 12:22
...
When to use ' (or quote) in Lisp?
...or by possibly-abbreviated name):
0: [ABORT] Exit debugger, returning to top level.
(SB-INT:SIMPLE-EVAL-IN-LEXENV SPIFFY-SYMBOL #<NULL-LEXENV>)
0]
Because there is no spiffy-symbol in the current scope!
Summing Up
quote, backquote (with comma), and list are some of the tools you use to...
Difference between CC, gcc and g++?
...cally, have a number of programs that do the compilation work. There is a top-level program, called 'gcc', that is the compiler driver; it parses a myriad command line options and orchestrates the other phases of the compiler - the parser/analyzer, the optimizer, the assembler and the linker, typic...
Setting PayPal return URL and making it auto return?
...x.paypal.com
The My Account Overview page appears.
Click the gear icon top right.
The Profile Summary page appears.
Click the My Selling Preferences link in the left column.
Under the Selling Online section, click the Update link in the row for Website Preferences.
The Website Payment ...
SQL Server indexes - ascending or descending, what difference does it make?
...LL,
PRIMARY KEY CLUSTERED ([ID] ASC))
The Query
SELECT TOP 10 *
FROM T1
ORDER BY ID DESC
Uses an ordered scan with scan direction BACKWARD as can be seen in the Execution Plan. There is a slight difference however in that currently only FORWARD scans can be parallelised.
How...
How do pointer to pointers work in C?
...only 256 bytes of memory). This is part of that memory (the numbers at the top are the addresses):
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| | 58 | | | 63 | | 55 | ...
The difference between fork(), vfork(), exec() and clone()
... vfork is still useful in cygwin (a kernel emulating dll, that runs on top of Microsoft's Windows). cygwin can not implement an efficient fork, as the underlying OS does not have one.
– ctrl-alt-delor
May 6 '17 at 11:39
...
When should I use a table variable vs temporary table in sql server?
... PRIMARY KEY, Flag BIT);
INSERT INTO @T
output inserted.* into #T
SELECT TOP 1000000 ROW_NUMBER() OVER (ORDER BY @@SPID), 0
FROM master..spt_values v1, master..spt_values v2
SET STATISTICS TIME ON
/*CPU time = 7016 ms, elapsed time = 7860 ms.*/
UPDATE @T SET Flag=1;
/*CPU time = 6234 ms, elap...
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...
You should stop using this metric, it is meaningless for the most part. Cohesion, coupling and complexity are more important metrics than lines of code.
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