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C# '@' before a String [duplicate]
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It means to interpret the string literally (that is, you cannot escape any characters within the string if you use the @ prefix). It enhances readability in cases where it can be used.
For example, if you were working with a UNC path, this:
@"\\servername\share...
Testing for empty or nil-value string [duplicate]
I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following:
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Good Hash Function for Strings
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Usually hashes wouldn't do sums, otherwise stop and pots will have the same hash.
and you wouldn't limit it to the first n characters because otherwise house and houses would have the same hash.
Generally hashs take values and...
快速产品原型设计软件 - Axure RP Pro 7 （附注册码+汉化包） - 软件下载 -...
...设计软件, Axure RP第一步：下载Axure 7.0 英文原版（请选择PC或Mac版本） PC(windows)安装文件地址： axure7.0下载地址：点此下载axure7.0 MAC安...
Axure RP Pro 是一个产品经理必备的交互原型设计工具，能够高效率制作产品原型...
Operator Overloading with C# Extension Methods
...hods to add an operater overload to the C# StringBuilder class. Specifically, given StringBuilder sb , I'd like sb += "text" to become equivalent to sb.Append("text") .
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Notepad++ htmltidy - unable to find libtidy.dll
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@chobo2 - Download and install the latest notepad++ (v6.1.1 as at today) from notepad-plus-plus.org/download ... then from npp.5.9.bin.zip (linked to in Rory's comment above) copy the contents of the ansi\plugins\Config\tidy\ folder into:(notepad++ in...
What is the difference between the | and || or operators?
...lways used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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How to convert a currency string to a double with jQuery or Javascript?
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Remove all non dot / digits:
var currency = "-$4,400.50";
var number = Number(currency.replace(/[^0-9.-]+/g,""));
share
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improv...
When should I use a composite index?
...olumn_A )
But it will not (at least not directly, maybe it can help partially if there are no better indices) help for queries that need
index( column_A, column_C )
Notice how column_B is missing.
In your original example, a composite index for two dimensions will mostly benefit queries that q...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
... the uncompressed file downloaded as well.
Having the map file in place allows you do debug your minified jQuery via the original sources, which will save a lot of time and frustration if you don't like dealing with variable names like a and c.
More about sourcemaps here: An Introduction to Jav...