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Use C++ with Cocoa Instead of Objective-C?
I would like to write applications that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wra...
Popstate on page's load in Chrome
...d use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button is clicked.
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pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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Python: List vs Dict for look up table
...d
Lookups in lists are O(n), lookups in dictionaries are amortized O(1), with regard to the number of items in the data structure. If you don't need to associate values, use sets.
Memory
Both dictionaries and sets use hashing and they use much more memory than only for object storage. According t...
Find merge commit which include a specific commit
...ranch feature is still available.
In that case h is the last result of:
git log master ^feature --ancestry-path
If the branch feature is not available anymore, you can show the merge commits in the history line between c and master:
git log <SHA-1_for_c>..master --ancestry-path --merges...
How to validate an email address in PHP
...r_var($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not valid
}
But this still doesn't guarantee that the mail exists. The only way to find that out is by sen...
How to make an anchor tag refer to nothing?
...
If you don't want to have it point to anything, you probably shouldn't be using the <a> (anchor) tag.
If you want something to look like a link but not act like a link, it's best to use the appropriate element (such as <span>) and then st...
Elastic Search: how to see the indexed data
I had a problem with ElasticSearch and Rails, where some data was not indexed properly because of attr_protected. Where does Elastic Search store the indexed data? It would be useful to check if the actual indexed data is wrong.
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Height of status bar in Android [duplicate]
What's the height of the status bar in Android? Is it always the same?
23 Answers
23
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How to get started with developing Internet Explorer extensions?
Does anyone here have experience with/in developing IE extensions that can share their knowledge? This would include code samples, or links to good ones, or documentation on the process, or anything.
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