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C++ STL Vectors: Get iterator from index?
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@KerrekSB From 23.3.6.1 in the c++ standard draft: "The elements of a vector are stored contiguously, meaning that if v is a vector<T, Allocator> where T is some type other than bool, then it obeys the identity &v[n] == &...
What is the difference between typeof and instanceof and when should one be used vs. the other?
..."function" object and instanceof will fail if you try to compare an object from another (i)frame/window. typeof will work in all cases since it returns the string "function".
– some
May 23 '09 at 16:56
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“unrecognized selector sent to instance” error in Objective-C
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That's a very astute diagnosis from a very few lines of code.
– Michael Morrison
Jul 21 '11 at 3:55
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file_put_contents - failed to open stream: Permission denied
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Try adjusting the directory permissions.
from a terminal, run chmod 777 database (from the directory that contains the database folder)
apache and nobody will have access to this directory if it is chmodd'ed correctly.
The other thing to do is echo "getcwd()". Thi...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...2fstackoverflow.com%2fquestions%2f17134716%2fconvert-dataframe-column-type-from-string-to-datetime-dd-mm-yyyy-format%23new-answer', 'question_page');
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Post as a guest
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Merge, update, and pull Git branches without using checkouts
...hat has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
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Array vs. Object efficiency in JavaScript
... But I want to know what is performing better: retrieving an object from an array (by looping through it) or from an "associative" object where the id is the key. I'm sorry if my question wasn't clear...
– Moshe Shaham
Jun 25 '13 at 10:57
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Why use HttpClient for Synchronous Connection
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@earthling, yes, Task.Run invokes the task from a ThreadPool, but you are calling .Result on it killing all the benefits from this and blocking the thread in which you called this .Result (which usually happens to be the main UI thread).
– Darin ...
How to detect if my shell script is running through a pipe?
How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process?
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How to change root logging level programmatically for logback
...rinciple of particular library take precedence over its simplicity? Coming from a Python world, I fail to understand why something as simple as Logging is so complicated in Java/Scala.
– Abhinandan Dubey
Jan 15 '19 at 16:04
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