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What are the differences between Perl, Python, AWK and sed? [closed]
.... Lott (see his controversial answer to this question, nearly half as many down-votes as up (+45/-22) six years after answering).
Sed is the best tool for extremely simple command-line pipelines. In the hands of a sed master, it's suitable for one-offs of arbitrary complexity, but it should not be...
The entity cannot be constructed in a LINQ to Entities query
...tter than behavior which can cause hidden bugs that are difficult to track down and explain (things kind of work nicely before you start noticing missing data).
– Yakimych
Aug 17 '11 at 20:16
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AngularJS ui-router login authentication
...s to work around some caveats, so hang in there. You'll need to break this down into several pieces.
Take a look at this plunk.
First, you need a service to store the user's identity. I call this principal. It can be checked to see if the user is logged in, and upon request, it can resolve an obje...
How to call base.base.method()?
...hat why i found this topic. Second, there is a comprehensive answer by Evk down this page.
– BlackOverlord
May 2 '17 at 21:00
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Ways to iterate over a list in Java
... trivial variations using for, while or do while blocks, but they all boil down to the same thing (or, rather, two things).
EDIT: As @iX3 points out in a comment, you can use a ListIterator to set the current element of a list as you are iterating. You would need to use List#listIterator() instead ...
Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?
...instance method Object.Equals. This is a virtual method which will filter down to Int32.Equals and this checks for a boxed integer. Both integer values are 0 hence they are equal
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Why does GitHub recommend HTTPS over SSH?
...ndation several times (example).
It appears that they currently recommend HTTPS because it is the easiest to set up on the widest range of networks and platforms, and by users who are new to all this.
There is no inherent flaw in SSH (if there was they would disable it) -- in the links below, you ...
Can Python test the membership of multiple values in a list?
... generators to sets can sometimes be incredibly wasteful, slowing programs down by many orders of magnitude.
Here are a few benchmarks for illustration. The biggest difference comes when both container and items are relatively small. In that case, the subset approach is about an order of magnitude ...
What are the use cases for selecting CHAR over VARCHAR in SQL?
.... It won't have to find out how long the data is in the row and then walk down the string to find the end. All that takes time.
Now bear in mind this can easily be poorly implemented. I have seen char used for primary key fields in online systems. The width must be kept small i.e. char(15) or s...
Explain the encapsulated anonymous function syntax
...s and expressions, see this article by kangax.
– Tim Down
Oct 27 '09 at 23:41
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