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PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the parameters. execute will also perform better if you are repeat...
那些微信公众大号是如何赚钱的？ - 资讯 - 清泛网 - 专注C/C++及内核技术
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不愿具名的某公众号负责人也告诉记者，他们正考虑开发一款App，将内容从公众号上转移过去。“微信公众号的规则不透明，且一直在变，我们很没安全感。”公众号“财上财”也发文指出，根据注册规定，微信公众号产权...
Java Timer vs ExecutorService?
... difficult to think of a reason not to use the Java 5 executor framework. Calling:
ScheduledExecutorService ex = Executors.newSingleThreadScheduledExecutor();
will give you a ScheduledExecutorService with similar functionality to Timer (i.e. it will be single-threaded) but whose access may be sli...
Can an html element have multiple ids?
...ec is very clear about this:
If an element has multiple ID attributes, all of them must be treated as IDs for that element for the purposes of the ID selector.Such a situation could be reached using mixtures of xml:id, DOM3 Core, XML DTDs, and namespace-specific knowledge.
Edit
Just to clar...
opengl: glFlush() vs. glFinish()
I'm having trouble distinguishing the practical difference between calling glFlush() and glFinish() .
8 Answers
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Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...takes the anonymous delegate, and runs multiple threads on this code in parallel for all the different items.
The second one not very useful in this scenario. In a nutshell it is intended to do a query on multiple threads, and combine the result, and give it again to the calling thread. So the code...
jQuery.ajax handling continue responses: “success:” vs “.done”?
... weeks now and I saw two different ways to 'continue' the script once the call has been made: success: and .done .
3 Ans...
When should I use Inline vs. External Javascript?
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At the time this answer was originally posted (2008), the rule was simple: All script should be external. Both for maintenance and performance.
(Why performance? Because if the code is separate, it can easier be cached by browsers.)
JavaScript doesn't belon...
log4j vs logback [closed]
...ments the SLF4J API. This means that if you are using logback, you are actually using the SLF4J API. You could theoretically use the internals of the logback API directly for logging, but that is highly discouraged. All logback documentation and examples on loggers are written in terms of the SLF4J ...
Why is there “data” and “newtype” in Haskell? [duplicate]
...peek inside.
Couldn't the compiler handle this for itself.
No, not really—this is a case where as the programmer you get to decide whether the constructor is strict or lazy. To understand when and how to make constructors strict or lazy, you have to have a much better understanding of lazy ...