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How to loop through a HashMap in JSP?

...ose <% %> things) are considered a poor practice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iterate over among others Maps. Every iteration will give you a Map.Entry back which in ...
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Why should I avoid using Properties in C#?

...erties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...
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How to send a correct authorization header for basic authentication

... This doesn't answer the question at all. Passing it as a url is not a header. – jemiloii Jan 29 '15 at 19:06 5 ...
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Pointers vs. values in parameters and return values

... function values, and interface values are implemented with pointers internally, and a pointer to them is often redundant. Elsewhere, use pointers for big structs or structs you'll have to change, and otherwise pass values, because getting things changed by surprise via a pointer is confusing. O...
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Is it better to reuse a StringBuilder in a loop?

...refully in a while (45 mins). Note that doing concatenation in the append calls reduces the point of using StringBuilder in the first place somewhat :) – Jon Skeet Oct 28 '08 at 7:26 ...
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What does Provider in JAX-RS mean?

...tomizing the JAX-RS runtime. You can think of them as plugins that (potentially) alter the behavior of the runtime, in order to accomplish a set of (program defined) goals. Providers are not the same as resources classes, they exist, conceptually, at a level in-between resources classes and the JAX...
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How does the vim “write with sudo” trick work?

Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo: ...
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Editing legend (text) labels in ggplot

... @Sathish As you can see, the title of the y-axis is smaller than the title in the x-axis. The different sizes are used to illustrate the possibilities and its consequences. Thus the code used in the answer is correct imo. – Jaap Oct 14 '16 ...
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What is difference between Collection.stream().forEach() and Collection.forEach()?

...at with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)? ...
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How can I get the current language in Django?

...t: Returns None if translations are temporarily deactivated (by deactivate_all() or when None is passed to override()). Before Django 1.8, get_language() always returned LANGUAGE_CODE when translations were deactivated. – Pieter Jan 3 '17 at 13:11 ...