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How to initialise memory with new operator in C++?
...; i < 10; i++)
{
p[i] = 0;
}
Using std::memset function from <cstring>
int* p = new int[10];
std::memset(p, 0, sizeof(int) * 10);
Using std::fill_n algorithm from <algorithm>
int* p = new int[10];
std::fill_n(p, 10, 0);
Using std::vector container
std::vector<int> v...
SecurityException: Permission denied (missing INTERNET permission?)
...="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme">
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mailto link multiple body lines
...
Use a single body parameter within the mailto string
Use %0D%0A as newline
The mailto URI Scheme is specified by by RFC2368 (July 1998) and RFC6068 (October 2010).
Below is an extract of section 5 of this last RFC:
[...] line breaks in the body of a message MUST b...
Which HTML5 tag should I use to mark up an author’s name?
...blished
site structure under which the article is organized (category/tag: string/arrays)
etc.
An opinionated example:
<article>
<header>
<h1>Article Title</h1>
<p class="subtitle">Subtitle</p>
<dl class="dateline">
<dt>Autho...
How to debug stream().map(…) with lambda expressions?
...
static int timesTwo(int n) {
return n * 2;
}
public static void main(String[] args) {
List<Integer> naturals = Arrays.asList(3247,92837,123);
List<Integer> result =
naturals.stream()
.map(DebugLambda::timesTwo)
.collect(toList());
}
This mi...
Using Razor, how do I render a Boolean to a JavaScript variable?
...t on the line):
var myViewModel = {
isFollowing: @Model.IsFollowing.ToString().ToLower()
};
Or (note: you need to use the namespace System.Xml):
var myViewModel = {
isFollowing: @XmlConvert.ToString(Model.IsFollowing)
};
...
What is the difference between --save and --save-dev?
...ject that maps a package name
to a version range. The version range is a string which has one or
more space-separated descriptors. Dependencies can also be identified
with a tarball or git URL.
Please do not put test harnesses or transpilers in your dependencies
object. See devDependenc...
How to add edge labels in Graphviz?
...orth being aware of the labeltooltip attribute. This allows an additional string to be attached to the label of an edge. This is easier for a user than the tooltip attribute, as it can be fiddly to hover directly on an edge. The syntax is as follows:
digraph G {
a -> b [label=" a to b" labe...
What does java.lang.Thread.interrupt() do?
...g example shows.
public class InterruptTest {
public static void main(String[] args) {
Thread.currentThread().interrupt();
printInterrupted(1);
Object o = new Object();
try {
synchronized (o) {
printInterrupted(2);
S...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...ts whether the element has the value attribute in markup and has the empty string as its value. And :checked and :indeterminate are similar things. They are not affected by actual user input.
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