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Getting associated type synonyms with template Haskell
...ms declared in a type class? I expected reify would do what I want, but it doesn't seem to provide all the necessary information. It works for getting function type signatures:
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Convert string to variable name in python [duplicate]
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x='buffalo'
exec("%s = %d" % (x,2))
After that you can check it by:
print buffalo
As an output you will see:
2
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Random record from MongoDB
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Starting with the 3.2 release of MongoDB, you can get N random docs from a collection using the $sample aggregation pipeline operator:
// Get one random document from the mycoll collection.
db.mycoll.aggregate([{ $sample: { size: 1 } ...
How and/or why is merging in Git better than in SVN?
...tributed version control systems shine, is much better merging than in traditional tools like SVN.
Is this actually due to inherent differences in how the two systems work, or do specific DVCS implementations like Git/Mercurial just have cleverer merging algorithms than SVN?
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What does enctype='multipart/form-data' mean?
...enctype='multipart/form-data' mean in an HTML form and when should we use it?
9 Answers
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Apk location in New Android Studio
...g new Android Studio and cant find the APK of the application in IDE,where it actually locates?
31 Answers
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Why do Lua arrays(tables) start at 1 instead of 0?
... indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has to be an explanation somewhere. Most of what I found (on the web) is just saying th...
How can I get a web site's favicon?
...le enough question: I've create a small app that is basically just a favourites that sits in my system tray so that I can open often-used sites/folders/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get the...
Using Default Arguments in a Function
...ou can make a call like foo('blah', null, 'non-default y value'); and have it work as you want, where the second parameter $x still gets its default value.
With this method, passing a null value means you want the default value for one parameter when you want to override the default value for a par...
Why do we need the “event” keyword while defining events?
... the "event" keyword while defining events, when we can do the same thing without using "event" keyword, just by using the delegates.
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