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Update an outdated branch against master in a Git repo
...e master into your branch, and resolve the merge conflicts. Then, merging from your branch into master should be clean.
None of these is better than the other, they just have different trade-off patterns.
I would use the rebase approach, which gives cleaner overall results to later readers, in m...
What is the correct way of using C++11's range-based for?
... ctor.
3 X copy ctor.
5 X copy ctor.
7 X copy ctor.
9
As it can be read from the output, copy constructor calls are made during range-based for loop iterations.
This is because we are capturing the elements from the container by value
(the auto x part in for (auto x : v)).
This is inefficient c...
Test if string is a number in Ruby on Rails
...ic?, to stay in line with ruby naming conventions (Numeric classes inherit from Numeric, is_ prefixes are javaish).
– Konrad Reiche
Jun 24 '12 at 18:34
10
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val() doesn't trigger change() in jQuery [duplicate]
...t be the default action as many times you do not want the event triggering from an automated value change, only when a user interacts with the element
– redsquare
Jul 5 '10 at 12:57
...
How to get key names from JSON using jq
..., so your last filter should be eg.:
cat input.json | jq -r 'keys'
From jq help:
-r output raw strings, not JSON texts;
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
...ur lists are large and efficiency is a concern then this and other methods from the itertools module are very handy to know.
Note that this example uses up the items in c, so you'd need to reinitialise it before you can reuse it. Of course you can just use list(c) to create the full list, but that ...
What is the at sign (@) in a batch file and what does it do?
... obvious for everyone but I didn't know that this only works when executed from a .batfile, i.e. it doesn't work straight from the command line.
– doABarrelRoll721
Feb 22 '16 at 15:11
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Logging raw HTTP request/response in ASP.NET MVC & IIS7
...me too. Didn't even need to be in a handler. I was able to still access it from the page.
– Helephant
May 9 '11 at 12:12
3
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What is a 'SAM type' in Java?
...ymous classes and are less restrictive on method naming. Take this example from the link:
class Person {
private final String name;
private final int age;
public static int compareByAge(Person a, Person b) { ... }
public static int compareByName(Person a, Person b) { ... }
}
Per...
Error handling in C code
...
There's a nice set of slides from CMU's CERT with recommendations for when to use each of the common C (and C++) error handling techniques. One of the best slides is this decision tree:
I would personally change two things about this flowcart.
First,...