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What is the purpose of a stack? Why do we need it?
... hardware, is not a new idea at all. It did not originate with MSIL, LLVM, Java bytecode, or any other modern infrastructures. The earliest implementation of this strategy I'm aware of is the pcode machine from 1966.
The first I personally heard of this concept was when I learned how the Infocom i...
How can I clear or empty a StringBuilder? [duplicate]
...requires it to iterate the entire buffer and null each character (e.g. kickjava.com/src/java/lang/AbstractStringBuilder.java.htm). Depending on the size of the buffer, that could be expensive as well. On the other hand, unless it's uber-performant code, go with what looks clearest to you and don't s...
Gson ignoring map entries with value=null
...fault value for these fields as the JSON format is converted back into its Java form.
Here's how you would configure a Gson instance to output null:
Gson gson = new GsonBuilder().serializeNulls().create();
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Test if element is present using Selenium WebDriver?
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I found that this works for Java:
WebDriverWait waiter = new WebDriverWait(driver, 5000);
waiter.until( ExpectedConditions.presenceOfElementLocated(by) );
driver.FindElement(by);
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Best JavaScript compressor [closed]
What is the the best JavaScript compressor available? I'm looking for a tool that:
13 Answers
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What is the difference between client-side and server-side programming?
... | | | |
| browser | | | web server |
| (JavaScript) | | | (PHP etc.) |
| | | | |
+--------------+ | +--------------+
|
client side | server side
|
<...
In Scala how do I remove duplicates from a list?
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Have a look at the ScalaDoc for Seq,
scala> dirty.distinct
res0: List[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementati...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...yntax takes up some of that slack. For example in Specs you can write on a java.io.File:
file must beDirectory
This will invoke the isDirectory and make sure it is true. ScalaTest does not have any special matchers for java.io.Files currently, but in ScalaTest, you could just use a dynamic check ...
Yank file name / path of current buffer in Vim
...ne open. For example:
Start: Editing src/com/benatkin/paint/shapes/Circle.java
Type :let @" = expand("%:p") (The path gets yanked to the main clipboard buffer.)
Open a new window with :sp
Type :e Ctrl+R"
Use the arrow keys to go back to Circle and change it to Square, and press <CR>
End...
When to use wrapper class and primitive type
...erson instance. I think this sort of thing is excessive, but it's what the Java language promotes for proper patterns.
– Sandy Chapman
Feb 29 '16 at 12:13
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