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What are the uses for Cross Join?
...g very practical if you were given 2 sets of id's (perhaps in csv format), one set would contain the employee ids and the other would contain task ids. The idea is that you have a M2M table for EmployeeTask. You could use the cross join to assign every given task to every given employee, granted you...
psycopg2: insert multiple rows with one query
I need to insert multiple rows with one query (number of rows is not constant), so I need to execute query like this one:
1...
How can I process each letter of text using Javascript?
... represented as either UTF-8 or UTF-16 but not have this problem. The only ones that have the problem are the ones that require four bytes in UTF-16 rather than two bytes. ???? is a character that requires four bytes in UTF-16. Key terms to look up for more info are "astral plane", "non-BMP", and "s...
How to copy commits from one branch to another?
...y branching and merging is to be able to do everything by making commit(s) one place and merging them into wherever they're needed. Duplicate commits mean an intent never to merge those two branches (if you decide you want to later, you'll get conflicts).
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Using Kafka as a (CQRS) Eventstore. Good idea?
...t an excellent backend for an application built in this style.
UPDATE 2
One concern with using Kafka for event sourcing is the number of required topics. Typically in event sourcing, there is a stream (topic) of events per entity (such as user, product, etc). This way, the current state of an ent...
application/x-www-form-urlencoded or multipart/form-data?
...multipart/form-data is used. Is there any additional guidance when to use one of the encoding types in an API context (no browser involved)? This might e.g. be based on:
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UITableView : viewForHeaderInSection: not called during reloadData:
...also implement the tableView:titleForHeaderInSection:. You should only use one or the other (viewForHeader or titleForHeader).
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What are the Dangers of Method Swizzling in Objective-C?
...ling as well as the methodology used to achieve the result. I'll take each one at a time.
Method swizzling is not atomic
I have yet to see an implementation of method swizzling that is safe to use concurrently1. This is actually not a problem in 95% of cases that you'd want to use method swizzling...
How to insert newline in string literal?
... isn't. You really need to know that you want to use the platform-specific one. For example, it isn't a good idea if you're using a network protocol which should define line terminators itself.
– Jon Skeet
Nov 3 '10 at 9:50
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AngularJS: Understanding design pattern
...aluable sources I've got some general recommendations for implementing components in AngularJS apps:
Controller
Controller should be just an interlayer between model and view. Try to make it as thin as possible.
It is highly recommended to avoid business logic in controller. It should be moved ...