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How can I wait for set of asynchronous callback functions?
.... Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of when the last one has finished:
Manual Counter
var ...
Converting a column within pandas dataframe from int to string
... This is appealing, but it is about 4x slower than apply(str) from @Jeff, in my test using pd.Series(np.arange(1000000)).
– John Zwinck
Aug 1 '16 at 22:01
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How do I capture the output of a script if it is being ran by the task scheduler?
... nice, no wrapper required, works great, and also logs output from child powershell scripts that are called from the task-scheduler-triggered bat/cmd Thanks!
– Jonesome Reinstate Monica
Mar 3 '16 at 19:28
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Entity Framework .Remove() vs. .DeleteObject()
You can remove an item from a database using EF by using the following two methods.
2 Answers
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Convert char to int in C and C++
... ((int)'0'), which means the ascii values of the characters are subtracted from each other. Since 0 comes directly before 1 in the ascii table (and so on until 9), the difference between the two gives the number that the character a represents.
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Where is C not a subset of C++? [closed]
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@Imagist: I usually hear the opposite from C programmers. They consider it poor style to add the cast, as it may conceal bugs. Good C code does not use the cast.
– jalf
Jul 29 '09 at 17:21
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Javascript “Not a Constructor” Exception while creating objects
...const processor = new Processor() //fails with the error
import Processor from './processor'
const processor = new Processor() // succeeds
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...he discriminating factors that would lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (assuming the longest key is the longest english word) it can be essentia...
How to run multiple Python versions on Windows
...the correct executable. You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, checking for an executable, either batch file (.bat), command file (.cmd) or some other executable t...
Comet implementation for ASP.NET? [closed]
...urrent clients mark, with messages delivered as high as 300,000 per second from a single node.
It includes client-side support for JavaScript, .NET/Mono, iOS, Mac OS X, Java, Silverlight, Windows Phone, Windows Runtime, and .NET Compact, with server-side support for .NET/Mono and PHP.
Clustering i...