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What are the differences between Perl, Python, AWK and sed? [closed]
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In order of appearance, the languages are sed, awk, perl, python.
The sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or...
When to throw an exception?
I have exceptions created for every condition that my application does not expect. UserNameNotValidException , PasswordNotCorrectException etc.
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WebSockets vs. Server-Sent events/EventSource
...ata to the browser and receive data from the browser. A good example of an application that could use websockets is a chat application.
SSE connections can only push data to the browser. Online stock quotes, or twitters updating timeline or feed are good examples of an application that could benefi...
Tactics for using PHP in a high-load site
...isn't cutting, there are several techniques to scale up, depending on your app. Replicating to additional servers typically works well if you have more reads than writes. Sharding is a technique to split your data over many machines.
Caching
You probably don't want to cache in your database. The...
What is the best practice for “Copy Local” and with project references?
...his includes baggage items from transitively referenced projects. It would appear that this target computes full transitive closure of content items for all referenced projects; however that is not the case.
– Brans Ds
Apr 25 '13 at 11:33
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Daylight saving time and time zone best practices [closed]
...MT. Therefore, plan to convert UTC timestamps to a local time zone before applying application logic.
Remember that time zones and offsets are not fixed and may change. For instance, historically US and UK used the same dates to 'spring forward' and 'fall back'. However, in 2007 the US changed the ...
C++ Build Systems - What to use? [closed]
...lly - and I'm investigating the build systems that are available. It would appear that the answer is "Many, and they're all awful".
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Learn C first before learning Objective-C [closed]
Being an aspiring Apple developer, I want to get the opinions of the community if it is better to learn C first before moving into Objective-C and ultimately the Cocoa Framework?
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Django: multiple models in one template using forms [closed]
I'm building a support ticket tracking app and have a few models I'd like to create from one page. Tickets belong to a Customer via a ForeignKey. Notes belong to Tickets via a ForeignKey as well. I'd like to have the option of selecting a Customer (that's a whole separate project) OR creating a new ...
When to use dynamic vs. static libraries
....lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
18 Answers
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