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CSS selector for first element with class
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This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks up whichev...
What are five things you hate about your favorite language? [closed]
..., and there should be methods such as Acquire which return disposable lock tokens. Corollary: there shouldn't be a monitor for every object.
GetHashCode() and Equals() shouldn't be in System.Object - not everything's suitable for hashing. Instead, have an IdentityComparer which does the same thing, ...
Object comparison in JavaScript [duplicate]
What is the best way to compare objects in JavaScript?
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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
... This may good for storing people who are online in instant messaging app, tokens in db, logging web site traffic stats.
Performing Geolocation Operations:
MongoDB hash rich support for doing GeoQuerying & Geolocation operations.
I really loved this feature of MongoDB.
In nutshell, MongoDB is ...
LINQ order by null column where order is ascending and nulls should be last
I'm trying to sort a list of products by their price.
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A simple explanation of Naive Bayes Classification
I am finding it hard to understand the process of Naive Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual datase...
CSS3 selector :first-of-type with class name?
Is it possible to use the CSS3 selector :first-of-type to select the first element with a given class name? I haven't been successful with my test so I'm thinking it's not?
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What does @synchronized() do as a singleton method in objective C?
...d answer. Although what it says would sometimes be correct (as long as the token passed to synhronized is the same object in all threads), it is misleadingly incomplete. synchronized prevents any number of associated code sections from executing at the same time, not just "that code in the block". T...
Android SharedPreference security
...aredpreferences good place to put sensitive data, such as password or auth token?
No. It can be easily hacked. If you want to put any sensitive data in shared prefrence file you can encrypt the data and store. You can store your encryption key in NDK/server.
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What is the use of join() in Python threading?
...just blocked from terminating (returning to the OS), not more. By the same token, it's not so obvious that there's a main thread calling a child thread to 'join' it (ie terminate). So, Don Q, thanks for the explanation.
– RolfBly
Jan 14 '14 at 20:40
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