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How to encode a URL in Swift [duplicate]
...ementations may not handle such data correctly when it is used as
the base URI for relative references (Section 5.1), apparently
because they fail to distinguish query data from path data when
looking for hierarchical separators. However, as query components
are often used to car...
Odd behavior when Java converts int to byte?
...
132 in digits (base 10) is 1000_0100 in bits (base 2) and Java stores int in 32 bits:
0000_0000_0000_0000_0000_0000_1000_0100
Algorithm for int-to-byte is left-truncate; Algorithm for System.out.println is two's-complement (Two's-compleme...
Best approach to remove time part of datetime in SQL Server
...ge
it extends to work out first day of month, tomorrow etc by changing "0" base
Edit, Oct 2011
For SQL Server 2008+, you can CAST to date i.e. CAST(getdate() AS date). Or just use date datatype so no time to remove.
Edit, Jan 2012
A worked example of how flexible this is: Need to calculate by r...
jekyll markdown internal links
...ink works for posts, pages, documents in a collection, and files.
{{ site.baseurl }}{% link _collection/name-of-document.md %}
{{ site.baseurl }}{% link _posts/2016-07-26-name-of-post.md %}
{{ site.baseurl }}{% link news/index.html %}
{{ site.baseurl }}{% link /assets/files/doc.pdf %}
Remember to...
Make HTML5 video poster be same size as video itself
...or preloading but without requiring a separate transparent image. We use a base64 encoded 1px transparent image instead.
<style type="text/css" >
video{
background: transparent url("poster.jpg") 50% 50% / cover no-repeat ;
}
</style>
<video controls poster="data:image...
Responsive font size in CSS
... font-size: 24px;
}
}
Use dimensions in % or em. Just change the base font size, and everything will change. Unlike the previous one, you could just change the body font and not h1 every time or let the base font size be the default of the device and the rest all in em:
“Ems” (em): T...
How to make a valid Windows filename from an arbitrary string?
...
In case anyone wants an optimized version based on StringBuilder, use this. Includes rkagerer's trick as an option.
static char[] _invalids;
/// <summary>Replaces characters in <c>text</c> that are not allowed in
/// file names with the specified ...
What is the difference between parseInt() and Number()?
...ling characters that don't correspond with any digit of the currently used base.
The Number constructor doesn't detect octals:
Number("010"); // 10
parseInt("010"); // 8, implicit octal
parseInt("010", 10); // 10, decimal radix used
But it can handle numbers in hexadecimal notation,...
What is InnoDB and MyISAM in MySQL?
...t
MyISAM is the default storage engine
for the MySQL relational database
management system versions prior to
5.5 1. It is based on the older ISAM code but has many useful extensions.
The major deficiency of MyISAM is the absence of transactions support.
Versions of MySQL 5.5 and great...
SQL Joins Vs SQL Subqueries (Performance)?
...f it was possible). But when you have a Group by on a well indexed column (based on its cardinality) then it will be much faster. So it really depends on the situation.
– Alix
May 17 at 14:22
...