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Should we pass a shared_ptr by reference or by value?
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This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.
Shortly, there is no reason to pass by valu...
Is there a way to get the source code from an APK file?
...hat a Java Environment is installed (for Linux check the notes regarding required libraries as well)
Start: apktool decode [apk file]
Intermediate result: resource files, AndroidManifest.xml
unzip APK file with an unpacker of your choice
Intermediate result: classes.dex
download and extract dex2jar...
Can I get a list of files marked --assume-unchanged?
...a list of related aliases I have in ~/.gitconfig:
[alias]
hide = update-index --assume-unchanged
unhide = update-index --no-assume-unchanged
unhide-all = update-index --really-refresh
hidden = !git ls-files -v | grep \"^[a-z]\"
ignored = !git status -s --ignored | grep \"^!!\"
To make i...
How to access random item in list?
...id accessing element max, which would be one beyond the presumably 0-based index?
– B. Clay Shannon
Feb 12 '16 at 2:02
22
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multiprocessing: How do I share a dict among multiple processes?
A program that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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How does TransactionScope roll back transactions?
... enlist with it. Caution if there are more the one connection to the same SQL server this will escalate to a Distribtued Transaction.
What happens since you're using a using block you are ensuring dispose will be called even if an exception occurs. So if dispose is called before txScope.Complete()...
Passing arguments to C# generic new() of templated type
...ay argument.
var constructorParameters = parameters.Select((paramType, index) =>
// convert the object[index] to the right constructor parameter type.
Expression.Convert(
// read a value from the object[index]
Expression.ArrayAccess(
par...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
Edit :- Tried to format the question and accepted answer in more presentable way at mine Blog
22 Answers
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Why not be dependently typed?
... Natty (S n)
For any promotable type, we can build the singleton family, indexed
over the promoted type, inhabited by run-time duplicates of its
values. Natty n is the type of run-time copies of the type-level n
:: Nat. We can now write
vReplicate :: Natty n -> x -> Vec n x
vReplicate Zy ...
Sorting arrays in NumPy by column
...p.argsort may themselve take up quite a lot of memory, and on top of that, indexing with an array will also generate a copy of the array that is being sorted.
– ali_m
Jul 11 '15 at 23:38
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