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What Does 'Then' Really Mean in CasperJS
...cuted.
As of CasperJS 1.0.0-RC4, a flaw exists, where, under certain time-based circumstances, the "try to do next step" method will be triggered before CasperJS had the time to raise either one of the loadInProgress or navigationRequested flags. The solution is to raise one of those flags before ...
Generating an Excel file in ASP.NET [closed]
... user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm looking for something that's as clean and straightforward as possible.
...
What are “named tuples” in Python?
...ctions, only fields with them. You can even use your named tuple types as base classes:
class Point(namedtuple('Point', 'x y')):
[...]
However, as with tuples, attributes in named tuples are immutable:
>>> Point = namedtuple('Point', 'x y')
>>> pt1 = Point(1.0, 5.0)
>&g...
Sticky and NON-Sticky sessions
...s routing request to that instance, instead chooses a new healthy instance based on the existing load balancing algorithm. The load balancer treats the session as now "stuck" to the new healthy instance, and continues routing requests to that instance even if the failed instance comes back.
...
What's the difference between returning void and returning a Task?
...Task<T> can represent any high-latency operation that produces a T.
Based on your comment above:
The await expression means "evaluate this expression to obtain an object representing work that will in future produce a result. Sign up the remainder of the current method as the call back assoc...
What is the bower (and npm) version syntax?
...
Based on semver, you can use
Hyphen Ranges X.Y.Z - A.B.C
1.2.3-2.3.4
Indicates >=1.2.3 <=2.3.4
X-Ranges
1.2.x
1.X
1.2.*
Tilde Ranges
~1.2.3
~1.2
Indicates allowing patch-level changes or minor version changes....
What algorithm gives suggestions in a spell checker?
...i think it's the right result. Becasue what we expect is the closest word, based on the spelling of input word. If you are still in doubt, think this way --- suppose there is a rare word which user spelled correctly. Now its distance is 0 but frequency very low. Now in suggestions, we should list th...
The Definitive C++ Book Guide and List
...eaking book on advanced generic programming techniques. Introduces policy-based design, type lists, and fundamental generic programming idioms then explains how many useful design patterns (including small object allocators, functors, factories, visitors, and multi-methods) can be implemented effic...
Optimal settings for exporting SVGs for the web from Illustrator?
... of it. It is only useful if your SVG is dynamic and the text might change based on user input.
Images: this only matters if you are including bitmap images
Embed: this is usually what you want, it encodes the image as a data uri so that you just upload one file instead of the svg file with it's...
How to decide when to use Node.js?
...e threads for each open connection.
This means you can create a browser-based chat application in Node.js that takes almost no system resources to serve a great many clients. Any time you want to do this sort of long-polling, Node.js is a great option.
It's worth mentioning that Ruby and Pytho...