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Generate MD5 hash string with T-SQL
...here a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
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How to implement has_many :through relationships with Mongoid and mongodb?
...uire multiple queries.
https://github.com/mongoid/mongoid/issues/544
Normally if you have a many-many relationship in a RDBMS you would model that differently in MongoDB using a field containing an array of 'foreign' keys on either side. For example:
class Physician
include Mongoid::Document
...
Is it possible to change only the alpha of a rgba background colour on hover?
...solute on the <div> tag
Option 1: ::before psuedo-element:
.before_method{
position:relative;
}
.before_method:before{
display:block;
content:" ";
position:absolute;
z-index:-1;
background:rgb(18, 176, 41);
top:0;
left:0;
right:0;
bottom:0;
opacity:0.5;
}
.before_metho...
SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
...when the property is not available
sets the svn:needs-lock property on all already existing binary files in repositories
configures users to automatically set property svn:needs-lock on newly added binary files
1) - create a pre-commit.cmd script in the repository\hooks directory. This scri...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...irefox not loading font from different origin than the current webpage. Usually, the issue arise when the fonts are served on CDNs.
...
MySQL case insensitive select
...ble statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
– gregthegeek
Mar 19 '14 at 18:56
...
How can I wrap text in a label using WPF?
...ol when using the keyboard e.g. ALT+C in the sample code below), as that's all a Label really offers over a TextBlock.
However, a Label uses a TextBlock to render text (if a string is placed in the Content property, which it typically is); therefore, you can add a style for TextBlock inside the La...
Is there a .NET/C# wrapper for SQLite? [closed]
...is the original SQLite database engine and a complete ADO.NET 2.0 provider all rolled into a single mixed mode assembly. It is a complete drop-in replacement for the original sqlite3.dll (you can even rename it to sqlite3.dll). Unlike normal mixed assemblies, it has no linker dependency on the .NE...
What does the [Flags] Enum Attribute mean in C#?
... Such collections are often used with bitwise operators, for example:
var allowedColors = MyColor.Red | MyColor.Green | MyColor.Blue;
Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() method:
enum Suits { Spades = 1, Clu...
MySQL pagination without double-querying?
... help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...