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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...e of NumPy's extremely fast vectorized operations instead of our loops. We now have a 30x speedup over the original.
The simplest speed test with apply
The above example should clearly show how slow apply can be, but just so its extra clear let's look at the most basic example. Let's square a Se...
Making a Simple Ajax call to controller in asp.net mvc
...arlier you were only returning JSON to browser without rendering any HTML. Now it has a HTML view rendered where it can get your JSON Data.
You can't directly render JSON its plain data not HTML.
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Given final block not properly padded
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@kenicky sorry, I saw your comment just now ... yes, a wrong key almost always causes this effect. (Of course, corrupted data is another possibility.)
– Paŭlo Ebermann
Sep 17 '15 at 21:09
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Why JSF saves the state of UI components on server?
Now, it is no longer necessary to save state while using JSF. A high performance Stateless JSF implementation is available for use. See this blog & this question for relevant details & discussion. Also, there is an open issue to include in JSF specs, an option to provide stateless mode for JSF...
.NET NewtonSoft JSON deserialize map to a different property name
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@NateCook can you show me a sample? i need it badly right now
– deadManN
Jul 24 '16 at 13:14
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Custom li list-style with font-awesome icon
...c font, JOPLOmacedo's answer is still perfectly fine for use.
FontAwesome now handles list styles internally with CSS classes.
Here's the official example:
<ul class="fa-ul">
<li><span class="fa-li"><i class="fas fa-check-square"></i></span>List icons can<...
jQuery Determine if a matched class has a given id
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I would probably use $('.mydiv').is('#foo'); That said if you know the Id why wouldnt you just apply it to the selector in the first place?
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Convert xlsx to csv in Linux with command line
...hon2.7/dist-packages/prettytable-0.7.2-py2.7.egg/EGG-INFO/top_level.txt'). Now that I think about it, I got the same error with csvkit.
– user2105469
May 28 '14 at 17:24
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Mongoose and multiple database in single node.js project
...goose = require("./foo_db_connect.js"); // bar_db_connect.js for bar app
Now, you can access multiple databases with mongoose.
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Keystore type: which one to use?
...'t have the private key for them).
This has changed in Java 8, so you can now have certificate-only entries in PKCS12 stores too. (More details about these changes and further plans can be found in JEP 229: Create PKCS12 Keystores by Default.)
There are a few other keystore types, perhaps less fre...