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HashSet vs LinkedHashSet
... dummy ignored (distinguishes this
* constructor from other int, float constructor.)
* @throws IllegalArgumentException if the initial capacity is less
* than zero, or if the load factor is nonpositive
*/
HashSet(int initialCapacity, float loadFactor, boo...
Separators for Navigation
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Using the :before pseudo selector prevents it from appearing after the last element.
– jrue
Dec 21 '12 at 3:06
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Passing a dictionary to a function as keyword parameters
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Can I make a not submit a form?
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Without setting the type attribute, you could also return false from your OnClick handler, and declare the onclick attribute as onclick="return onBtnClick(event)".
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Why check both isset() and !empty()
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I've no idea where I got that idea from. Plus one'd.
– karim79
Dec 30 '10 at 4:27
8
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How do I run multiple background commands in bash in a single line?
...r the shell executes the subsequent command. This is essentially different from ;, because ; lets the subsequent command execute regardless of the exit status of the previous command unless it was a fatal error. The & tells the shell to execute all of the "connected" commands preceding it, in th...
How do I get class name in PHP?
... ::class fetch. See this answer for more details. I also found this note from the docs helpful.
– cjsimon
May 29 '19 at 22:37
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
... The problem with the get approach is that it may return a property from anywhere in the chain, it doesn't specifically test for the last property.
– RobG
May 22 '14 at 14:21
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JUnit 4 compare Sets
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Check this article. One example from there:
@Test
public void listEquality() {
List<Integer> expected = new ArrayList<Integer>();
expected.add(5);
List<Integer> actual = new ArrayList<Integer>();
actual.ad...
Insert into a MySQL table or update if exists
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+1 From what I've found, this method is less problematic for auto-increment keys and other unique key collisions than REPLACE INTO, and it is more efficient.
– Andrew Ensley
May 11 '12 at 2...