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What's the right way to pass form element state to sibling/parent elements?
...n your situation.
If the app is a simple Markdown converter, C1 being the raw input and C2 being the HTML output, it's OK to let C1 trigger a setState in P, but some might argue this is not the recommended way to do it.
However, if the app is a todo list, C1 being the input for creating a new todo...
Why are joins bad when considering scalability?
...atabase used well. There are a number of scalability-friendly ways to take raw joins and make them much faster:
Join on a surrogate key (autonumer/identity column) rather than a natural key. This means smaller (and therefore faster) comparisons during the join operation
Indexes
Materialized/indexed...
Strip all non-numeric characters from string in JavaScript
...ters from a string using JavaScript/ECMAScript. Any characters that are in range 0 - 9 should be kept.
10 Answers
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Remove the last character in a string in T-SQL?
... this code returns NULL if passed a string that is shorter than the delete range specified for STUFF. Wrap it in an ISNULL to get a different output value for the empty string case.
– Rozwel
May 2 '12 at 14:18
...
What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
... twist on this! In a language with parametric polymorphism, type variables range over all possible types, including uninhabited ones, so a fully polymorphic type such as ∀a. a is, in some sense, almost-false. So what if we write double almost-negation by using polymorphism? We get a type that look...
Write a number with two decimal places SQL server
...c(10,2) allows for 10 total digits with 2 places after the decimal point. Range = -99999999.99 to 99999999.99
– George Mastros
Jan 14 '09 at 2:16
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Embedding unmanaged dll into a managed C# dll
...needs to have a file for the DLL to load it - it cannot load an image from raw memory), and wherever it's trying to do that the process does not have permission.
Something like Process Monitor from SysInternals might give you a clue if the pronblem is that creating the DLL file is failing...
Updat...
Basic example of using .ajax() with JSONP?
... simple examples of JSONP usage, these are not production ready scripts.
RAW JavaScript demonstration (simple Twitter feed using JSONP):
<html>
<head>
</head>
<body>
<div id = 'twitterFeed'></div>
<script>
function myCa...
How do you extract a column from a multi-dimensional array?
...t;> A[:,2] # returns the third columm
array([3, 7])
See also: "numpy.arange" and "reshape" to allocate memory
Example: (Allocating a array with shaping of matrix (3x4))
nrows = 3
ncols = 4
my_array = numpy.arange(nrows*ncols, dtype='double')
my_array = my_array.reshape(nrows, ncols)
...
Start thread with member function
...of class (it's not visible for programmer), so when passing this method as raw function you will always encounter a problem during compilation and declaration mismatch.
– zoska
Oct 10 '13 at 11:56
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