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Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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html select option separator
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The disabled option approach seems to look the best and be the best supported. I've also included an example of using the optgroup.
optgroup (this way kinda sucks):
<select>
<optgroup>
<option>First</option>
</optgroup>
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Javascript foreach loop on associative array object
...ow to note that the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
console.log(this[key]);
}, arr_jq_TabContents);
The callback function passed...
Dynamic type languages versus static type languages
What are the advantages and limitations of dynamic type languages compared to static type languages?
9 Answers
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What are the default access modifiers in C#?
...ult access modifier for classes, methods, members, constructors, delegates and interfaces?
9 Answers
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What is thread safe or non-thread safe in PHP?
...ncy approaches:
Different web servers implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple m...
@UniqueConstraint annotation in Java
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I'm currently using play framework too with hibernate and JPA 2.0 annotation and this model works without problems
@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@Not...
What is the difference between and ? [duplicate]
...ble piece of code I use the directive <%@include file="reuse.html"%> and in the second I use the tag <jsp:include page="reuse.html" />.
Let the code in the reusable file be :
<html>
<head>
<title>reusable</title>
<meta http-equiv="Content-Type" conten...
Cannot highlight all occurrences of a selected word in Eclipse
I tried using the Toggle mark occurrences (Alt + Shift + O) button and also in Preferences -> General -> Editors -> Text Editor -> Annotations and setting the C/C++ Occurrences and C/C++ Write occurrences. But still when I select a word it won't highlight all occurrences of that spec...
IPC performance: Named Pipe vs Socket
...y? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
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