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How do you create a dictionary in Java? [closed]
...There's an Abstract Class Dictionary
http://docs.oracle.com/javase/6/docs/api/java/util/Dictionary.html
However this requires implementation.
Java gives us a nice implementation called a Hashtable
http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html
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C# Lambda expressions: Why should I use them?
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Expression trees are a very powerful new feature of C# 3.0 that allow an API to look at the structure of an expression instead of just getting a reference to a method that can be executed. An API just has to make a delegate parameter into an Expression<T> parameter and the compiler will gen...
How can I detect if this dictionary key exists in C#?
I am working with the Exchange Web Services Managed API, with contact data. I have the following code, which is functional , but not ideal:
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Manually map column names with class properties
...chNamesWithUnderscores option. At best, if we refactored the configuration API, I would leave the MatchNamesWithUnderscores member in place (that still works, ideally) and add an [Obsolete] marker to point people to the new API.
– Marc Gravell♦
Aug 11 '16 at ...
I need to securely store a username and password in Python, what are my options?
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The python keyring library integrates with the CryptProtectData API on Windows (along with relevant API's on Mac and Linux) which encrypts data with the user's logon credentials.
Simple usage:
import keyring
# the service is just a namespace for your app
service_id = 'IM_YOUR_APP!'
ke...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ows -- which does not support fork() -- multiprocessing is using the win32 API call CreateProcess. It creates an entirely new process from any given executable. That's why on Windows one is required to pickle data to the child if one needs data that has been created during runtime of the parent.
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Input and output numpy arrays to h5py
...s directories. Each is named. You should look at the documentation for the API and examples:
http://docs.h5py.org/en/latest/quick.html
A simple example where you are creating all of the data upfront and just want to save it to an hdf5 file would look something like:
In [1]: import numpy as np
In ...
Using Java with Nvidia GPUs (CUDA)
...(Byte)code translation and OpenCL code generation:
https://github.com/aparapi/aparapi : An open-source library that is created and actively maintained by AMD. In a special "Kernel" class, one can override a specific method which should be executed in parallel. The byte code of this method is loaded...
Does Swift support reflection?
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It seems that a Swift reflection API is not a high priority for Apple at the moment. But besides @stevex answer there is another function in the standard library that helps.
As of beta 6 _stdlib_getTypeName gets the mangled type name of a variable. Paste th...
'App not Installed' Error on Android
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For me, On Android 9 (API 28), disabling Google Play Protect from play store app worked the trick, and i was able to get rid of the App not Installed error.
To disable Google Play Protect. Open "Play Store" application => tap
on Menu butt...