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How do I add comments to package.json for npm install?
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This is bad advice, because the order an object is interpreted isn't guaranteed. For example, in some situations, your example might end up with a being 1 instead of 2.
– Jo Sprague
May 15 '15 at 13:31
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How to determine if a number is a prime with regex?
...to find some non empty sub-sequence that can be repeated at least twice in order to form the sequence. If such a subsequence exists, it means that its length divides N, hence N is not prime.
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The most accurate way to check JS object's type?
...ommon sense. Sure, the prototype.toString is slower than the others by an order of magnitude, but in the grand scheme of things it takes on average a couple hundred nanoseconds per call. Unless this call is being used in a critical path that's very frequently executed, this is probably harmless. I...
How can we match a^n b^n with Java regex?
...our definition of "good". For example the recursive solution is around one order of magnitude faster than the other one (codepad.viper-7.com/CWgy7c). And it is far easier to understand. The recursive solution is pretty much the direct transformation of the grammar into a regex (actually you could ju...
How do I run a shell script without using “sh” or “bash” commands?
...ause when we run it from the terminal we will only need to type myShell in order to run our command!
Now, in nano the top line MUST be #!/bin/bash then you may leave a new line before continuing.
For demonstration I will add a basic Hello World! response
So, I type the following:
echo Hello World!
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Create MSI or setup project with Visual Studio 2012
...tension, built a simple msi to put a third party dll into the GAC in short order. Very simple, easy to use, does the basics.
– Chris Mills
Oct 8 '14 at 17:04
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Select top 10 records for each category
...ield1,Field2, Rank()
over (Partition BY Section
ORDER BY RankCriteria DESC ) AS Rank
FROM table
) rs WHERE Rank <= 10
If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you.
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SQL - HAVING vs. WHERE
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First we should know the order of execution of Clauses i.e
FROM > WHERE > GROUP BY > HAVING > DISTINCT > SELECT > ORDER BY.
Since WHERE Clause gets executed before GROUP BY Clause the records cannot be filtered by applying WHERE to ...
SQL Query to concatenate column values from multiple rows in Oracle
...ommon one is to use LISTAGG:
SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description
FROM B GROUP BY pid;
Then join to A to pick out the pids you want.
Note: Out of the box, LISTAGG only works correctly with VARCHAR2 columns.
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Best programming aids for a quadriplegic programmer
...re simply too many situations which require you to hover with the mouse in order to get to the underlying commands. This is a great shame. Nevertheless there are some really good Firefox plugins to help browsing without a mouse.
Mouseless browsing: https://addons.mozilla.org/en-us/firefox/addon/m...