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Understanding what 'type' keyword does in Scala
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I liked the answer from Roland Ewald since he described with a very simple use case of type alias, and for more detail introduced a very nice tutorial.
However, since another use case is introduced in this post named type members, I would like...
Scala actors: receive vs react
...is means that the complete thread stack is available and ready to continue from the point of "waiting" on receiving a message.
For example if you had the following code
def a = 10;
while (! done) {
receive {
case msg => println("MESSAGE RECEIVED: " + msg)
}
println...
How do I verify/check/test/validate my SSH passphrase?
...one via ssh-add.
Once you're done, remember to unload your SSH passphrase from the terminal by running ssh-add -d.
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How to write very long string that conforms with PEP8 and prevent E501
...w people to be able to come in and be comfortable with the code formatting from day one.
– retracile
Dec 9 '09 at 15:34
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ASP.NET WebApi vs MVC ? [closed]
...ilters, routing and others MVC
features exist in Web API are different from MVC and exists in the
new System.Web.Http assembly. In MVC, these featues exist with in
System.Web.Mvc. Hence Web API can also be used with Asp.Net and as a
stand alone service layer.
6. You can mix Web API ...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
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Apart from what Andy mentioned, there is another difference which could be important - write-host directly writes to the host and return nothing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
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Setting variable to NULL after free
...to NULL has at least one significant drawback: it can prevent the compiler from warning you about uninitialized variables. Unless the logic of your code actually explicitly handles that value for the pointer (i.e. if (nPtr==NULL) dosomething...) it's better to leave it as-is.
–...
Android DialogFragment vs Dialog
...sage - the problem is okMessage's target which will be null if you load it from a Bundle. If the target of a Message is null, and you use sendToTarget, you will get a NullPointerException - not because the Message is null, but because its target is.
– hrnt
Nov ...
Once upon a time, when > was faster than < … Wait, what?
...t's really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what's it all about, the author mentions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth values (which is top and which isn't) can als...
Using getResources() in non-activity class
...avoid to pass context variables? Then what can we do when we need some api from the activity class?
– Alston
Sep 15 '19 at 10:44
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