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raw vs. html_safe vs. h to unescape html
...ing. In fact, it will prevent your string from being escaped.
<%= "<script>alert('Hello!')</script>" %>
will put:
&lt;script&gt;alert(&#x27;Hello!&#x27;)&lt;/script&gt;
into your HTML source (yay, so safe!), while:
<%= "<script>alert('Hello!'...
Load “Vanilla” Javascript Libraries into Node.js
There are some third party Javascript libraries that have some functionality I would like to use in a Node.js server. (Specifically I want to use a QuadTree javascript library that I found.) But these libraries are just straightforward .js files and not "Node.js libraries".
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Authorize a non-admin developer in Xcode / Mac OS
...erge' instead of 'append' if you add this line to a continuous integration script. Merge will not add it if it already exists. See 'man dscl' for more details.
– Russ Van Bert
Apr 24 '14 at 6:49
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How can I export tables to Excel from a webpage [closed]
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DataTables is fully Javascript. Just the TableTools element uses Flash, and it's miniscule. I would NEVER use Flash willingly in any of my products!
– bpeterson76
Apr 27 '11 at 20:17
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Bootstrap Carousel : Remove auto slide
...el will not automatically cycle.
You can either pass this value with javascript or using a data-interval="false" attribute.
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Meaning of $? (dollar question mark) in shell scripts
...ile non-zero values are mapped to various reason for failure.
Hence when scripting; I tend to use the following syntax
if [ $? -eq 0 ]; then
# do something
else
# do something else
fi
The comparison is to be done on equals to 0 or not equals 0.
** Update Based on the comment: Ideally, you sh...
Scheduling R Script
I have written an R script that pulls some data from a database, performs several operations on it and post the output to a new database.
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Writing/outputting HTML strings unescaped
...you can encode the scary parts.
@Html.Raw("(<b>" + Html.Encode("<script>console.log('insert')</script>" + "Hello") + "</b>)")
Results in
(<b>&lt;script&gt;console.log('insert')&lt;/script&gt;Hello</b>)
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Selecting all text in HTML text input when clicked
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You can use this javascript snippet:
<input onClick="this.select();" value="Sample Text" />
But apparently it doesn't work on mobile Safari. In those cases you can use:
<input onClick="this.setSelectionRange(0, this.value.length)" va...
Get all unique values in a JavaScript array (remove duplicates)
...t and it works great until the array has a zero in it. I found this other script here on Stack Overflow that looks almost exactly like it, but it doesn't fail.
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