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What is the difference between JavaConverters and JavaConversions in Scala?
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257
EDIT: Java Conversions got @deprecated in Scala 2.13.0. Use scala.jdk.CollectionConverters ins...
Is Hash Rocket deprecated?
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132
The author of that blog post is being overly dramatic and foolish, the => is still quite nec...
Using .sort with PyMongo
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207
sort should be a list of key-direction pairs, that is
db.test.find({"number": {"$gt": 1}}).so...
No module named setuptools
... |
edited Nov 9 '18 at 17:29
Zaheer Ahmed
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an...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
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472
The count method of NSArray returns an NSUInteger, and on the 64-bit OS X platform
NSUInteger ...
delete_all vs destroy_all?
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247
You are right. If you want to delete the User and all associated objects -> destroy_all
How...
Why do we need argc while there is always a null at the end of argv?
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Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If they are declared, the parameters to the main function shall obey
the following constraints:
The value of argc shall be nonnegative.
argv[argc] shall be a null
pointer.
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Can functions be passed as parameters?
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232
Yes, consider some of these examples:
package main
import "fmt"
// convert types take an in...
Why does the JVM still not support tail-call optimization?
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32
+50
Diagnosin...