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Split array into chunks
...mostly and folks in my shop tend to create all sorts of manager classes in order to "stick to" OOP, but in doing so break the conventions of Laravel making coming into a project that much more complicated.
– cfkane
Jul 28 at 9:03
...
What is the best workaround for the WCF client `using` block issue?
...ink this is better than my IDisposable wrapper. Typical code:
Service<IOrderService>.Use(orderService=>
{
orderService.PlaceOrder(request);
});
(edit per comments)
Since Use returns void, the easiest way to handle return values is via a captured variable:
int newOrderId = 0; // ne...
SQL JOIN - WHERE clause vs. ON clause
...
They are not the same thing.
Consider these queries:
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 12345
The first will return an order ...
How do you sort an array on multiple columns?
...10], [A,5], 5 comes before 10 so it would end up with [A,5],[A,10] for the ordering. The thing you may be missing is that mysortfunction is called multiple times when you use Array.sort until the sorting is completed.
– dcp
Apr 23 '15 at 10:59
...
What is attr_accessor in Ruby?
...son.name = "Dennis"
person.greeting # => "Hello Dennis"
That's it. In order to understand how attr_reader, attr_writer, and attr_accessor methods actually generate methods for you, read other answers, books, ruby docs.
...
Sorting a set of values [closed]
...ng else iterable), sorted(s) returns a list of the elements of s in sorted order:
>>> s = set(['0.000000000', '0.009518000', '10.277200999', '0.030810999', '0.018384000', '4.918560000'])
>>> sorted(s)
['0.000000000', '0.009518000', '0.018384000', '0.030810999', '10.277200999', '4....
Why does z-index not work?
...ts have hierarchy, and each stacking context is considered in the stacking order of the parent's stacking context.
So with following html
div { border: 2px solid #000; width: 100px; height: 30px; margin: 10px; position: relative; background-color: #FFF; }
#el3 { background-color: #F0F; width:...
How to index into a dictionary?
...
Dictionaries are unordered in Python versions up to and including Python 3.6. If you do not care about the order of the entries and want to access the keys or values by index anyway, you can use d.keys()[i] and d.values()[i] or d.items()[i]. ...
How do I measure execution time of a command on the Windows command line?
... output: command took 0:1:-1.99 (59.99s total) You should reverse the order of the 4 lines that do "lss 0" comparisons, so that the carry progresses correctly from low to high sexagesimal digits. Then the output becomes: command took 0:0:59.99 (59.99s total)
– Jean-Fra...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...cle (and I believe a version of this also appeared in CACM) shows how link order and OS environment size changes alone were sufficient to shift performance significantly. They attribute this to alignment of "hot loops".
This paper, titled "Producing wrong data without doing anything obviously wron...