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How can I multiply and divide using only bit shifting and adding?
... = 21 * 5 (Same as initial expression)
(_2 means base 2)
As you can see, multiplication can be decomposed into adding and shifting and back again. This is also why multiplication takes longer than bit shifts or adding - it's O(n^2) rather than O(n) in the number of bits. R...
Adding a favicon to a static HTML page
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Convert your image file to Base64 string with a tool like this and then replace the YourBase64StringHere placeholder in the below snippet with your string and put the line in your HTML head section:
<link href="data:image/x-icon;base64,YourBase64St...
Why does GCC generate such radically different assembly for nearly the same C code?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Using os.walk() to recursively traverse directories in Python
...━[scopes]
┃ ┃ ┗━scope_settings.xml
┃ ┣━.name
┃ ┣━Demo.iml
┃ ┣━encodings.xml
┃ ┣━misc.xml
┃ ┣━modules.xml
┃ ┣━vcs.xml
┃ ┗━workspace.xml
┣━[test1]
┃ ┗━test1.txt
┣━[test2]
┃ ┣━[test2-2]
┃ ┃ ┗━[test2-3]
┃ ┃...
Left align and right align within div in Bootstrap
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Split array into chunks
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Modified from an answer by dbaseman: https://stackoverflow.com/a/10456344/711085
Object.defineProperty(Array.prototype, 'chunk_inefficient', {
value: function(chunkSize) {
var array = this;
return [].concat.apply([],
array.map(f...
Set Page title using UI-Router
I am migrating my AngularJS based app to use ui-router instead of the built in routing. I have it configured as shown below
...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...for a 32-bit signed integer.
How do we solve it?
Use long data types (64 bits is sufficient)
For MySQL (or MariaDB), if you don't need the time information consider using the DATE column type. If you need higher accuracy, use DATETIME rather than TIMESTAMP. Beware that DATETIME columns do not s...
How to get an IFrame to be responsive in iOS Safari?
...isread before. But the iframe should not be scrolling only resizing itself based on the container element i.e. have width: 100%;
– Idra
Apr 17 '14 at 17:18
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iOS: how to perform a HTTP POST request?
...sion, downloadTask: URLSessionDownloadTask,
didWriteData bytesWritten: Int64, totalBytesWritten writ: Int64, totalBytesExpectedToWrite exp: Int64) {
print("downloaded \(100*writ/exp)" as AnyObject)
}
func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, d...