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Learning WebGL and three.js [closed]
...nderstand the WebGL concepts. That means, that you just need to be able to read someone else's WebGL code and understand what you read. That is a lot easier than being expected to write a WebGL program yourself from scratch. You can learn the WebGL concepts sufficiently well using any of the tutoria...
Java enum - why use toString instead of name
...breaks when someone correctly changes the toString() return, then it was already broken.
From the javadoc (emphasis mine) :
Returns a string representation of the object. In general, the
toString method returns a string that "textually represents" this
object. The result should be a concise...
How to add items to a spinner in Android?
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This code basically reads a JSON array object and convert each row into an option in the spinner that is passed as a parameter:
public ArrayAdapter<String> getArrayAdapterFromArrayListForSpinner(ArrayList<JSONObject> aArrayList, Str...
Difference between string object and string literal [duplicate]
... you should use the string literal notation when possible. It is easier to read and it gives the compiler a chance to optimize your code.
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Python - Get path of root project structure
...s case, __file__ will return the pathname from which the module is loaded. Read more here (see the modules section): docs.python.org/3/reference/datamodel.html
– jrd1
Feb 17 '19 at 8:18
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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
... I used two different names. If you zap the input file before the program reads it all, as you do when you use the same name twice, you end up with an empty file. That is uniform behaviour on Unix-like systems. It requires special code to handle overwriting an input file safely. Follow the instruct...
Fat models and skinny controllers sounds like creating God models [closed]
I've been reading a lot of blogs which advocate the fat models and skinny controllers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and th...
MYSQL OR vs IN performance
...an IN will be converted to a bunch of OR statements anyway." Where did you read this? I would expect it to put it in a hashmap to make O(1) lookups.
– Ztyx
Apr 2 '14 at 7:09
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How do you tell a specific Delayed::Job to run in console?
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Read carefully the answer's author note: "it won't run any other things like destroying job that was done". I say so because I did not read it and I was getting crazy. Check the @DavidTuite's answer
– fg...
psql: FATAL: Peer authentication failed for user “dev”
...er changing pg_hba.conf if PostgreSQL is running you'll need to make it re-read the configuration by reloading (pg_ctl reload) or restarting (sudo service postgresql restart).
* The file pg_hba.conf will most likely be at /etc/postgresql/9.x/main/pg_hba.conf
Edited: Remarks from @Chloe, @JavierEH,...