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HTML5 best practices; section/header/aside/article elements
...elements, always ask yourself: “Is all of the content related?”
aside – Used for tangentially related content. Just because some content appears to the left or right of the main content isn’t enough reason to use the aside element. Ask yourself if the content within the aside can be rem...
Get names of all keys in the collection
...resulting collection so as to find all the keys:
db[mr.result].distinct("_id")
["foo", "bar", "baz", "_id", ...]
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Custom ImageView with drop shadow
...ch:
along with the appropriate padding in XML:
<ImageView
android:id="@+id/image_test"
android:background="@drawable/drop_shadow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6px"
android:paddingTop=...
How to pass the value of a variable to the stdin of a command?
...
Herestrings <<< are not guaranteed to be available, they are not in POSIX base, as far as I know. They will work as expected, as long as your only running them in bash. I only mention it, because they OP said 'shell' n...
How to add a WiX custom action that happens only on uninstall (via MSI)?
...odifies. According to the table above I had to use
<Custom Action='CA_ID' Before='other_CA_ID'>
(NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL")</Custom>
And it worked!
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How to call a JavaScript function from PHP?
...eb server in general), an HTML page is nothing more complicated than a big string.
All the fancy work you can do with language like PHP - reading from databases and web services and all that - the ultimate end goal is the exact same basic principle: generate a string of HTML*.
Your big HTML string...
What is the best regular expression to check if a string is a valid URL?
How can I check if a given string is a valid URL address?
55 Answers
55
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What's the difference between Perl's backticks, system, and exec?
... the output of the command. In scalar context, it returns them as a single string joined with newlines.
– felwithe
Jul 21 at 16:19
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Resize image in PHP
... imagecreatefromgd, imagecreatefromgif, imagecreatefrompng, imagecreatefromstring, imagecreatefromwbmp, imagecreatefromxbm, imagecreatefromxpm to deal with different image types.
– Chris Hanson
Feb 1 '13 at 15:50
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Show an image preview before upload
...bute of an image tag to a data URL:
The html code:
<input type="file" id="files" />
<img id="image" />
The JavaScript code:
document.getElementById("files").onchange = function () {
var reader = new FileReader();
reader.onload = function (e) {
// get loaded data and...