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Performance of Arrays vs. Lists
... bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it depends on the type of data in the array. But unless you need to micro-optimise, keep it simple and use List<T> etc.
Of course, this only applies if you are reading all of the d...
Why do assignment statements return a value?
...in the answers of this thread. But efficient in the case of properties and indexers that use get- and set accessors? Not at all. Consider this code:
class Test
{
public bool MyProperty { get { return true; } set { ; } }
}
Here we have a property, which isn't even a wrapper for a private varia...
Remove non-utf8 characters from string
...eplacement is whatever was captured into group 1. This effectively removes all invalid bytes.
It is possible to repair the string, by encoding the invalid bytes as UTF-8 characters. But if the errors are random, this could leave some strange symbols.
$regex = <<<'END'
/
(
(?: [\x00-...
Querying DynamoDB by date
...
Updated Answer:
DynamoDB allows for specification of secondary indexes to aid in this sort of query. Secondary indexes can either be global, meaning that the index spans the whole table across hash keys, or local meaning that the index would exist within each hash key partition, thus re...
cartesian product in pandas
...
Use pd.MultiIndex.from_product as an index in an otherwise empty dataframe, then reset its index, and you're done.
a = [1, 2, 3]
b = ["a", "b", "c"]
index = pd.MultiIndex.from_product([a, b], names = ["a", "b"])
pd.DataFrame(index = ...
Convert HTML to PDF in .NET
...PECIFIED License
PuppeteerSharp
https://www.puppeteersharp.com/examples/index.html
MIT License
https://github.com/kblok/puppeteer-sharp
EO.Pdf
https://www.nuget.org/packages/EO.Pdf/
$ 749 - https://www.essentialobjects.com/Purchase.aspx?f=3
WnvHtmlToPdf_x64
https://www.nuget.org/packages/W...
SASS - use variables across multiple files
...
Create an index.scss and there you can import all file structure you have. I will paste you my index from an enterprise project, maybe it will help other how to structure files in css:
@import 'base/_reset';
@import 'helpers/_variabl...
What is the difference between client-side and server-side programming?
...php echo 42; ?>;
alert(baz);
</script>
Step 1, PHP executes all code between <?php ?> tags. The result is this:
<script type="text/javascript">
var foo = 'bar';
var baz = 42;
alert(baz);
</script>
The file_put_contents call did not result in anything,...
How does RewriteBase work in .htaccess
... want to clear up some details on htaccess.. does a ReWriteBase set it for all rules in the htaccess following what its declaration? is there a way to unset it, can it be reset?
– Damon
Apr 25 '13 at 15:32
...
WAMP shows error 'MSVCR100.dll' is missing when install
When I tried to install WAMP , that popped up the following alert,
23 Answers
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