大约有 3,300 项符合查询结果（耗时：0.0122秒） [XML]
NullPointerException accessing views in onCreate()
... public void exampleFragmentCallback()
{
Toast.makeText(this, "Hello!", Toast.LENGTH_LONG).show();
}
}
activity_container.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...m I going wrong. In WireShark traces, I get the following error :- Client Hello Server Hello, Certificate, Server Hello Done Alert (level : Fatal, Description: unknown CA (48)) Can you please guide me and help me out in this ?
– user3812540
Jul 8 '14 at 4:44
...
Create Windows service from executable
...<env> and <persistent_env> below.
<service>
<id>hello</id>
<name>hello</name>
<description>This service runs the hello application</description>
<executable>node.exe</executable>
<!--
{{dir}} will be expanded t...
How can I capture the result of var_dump to a string?
...> false,
"int" => 1,
"float" => 3.14,
"string" => "hello world",
"array" => array(),
"object" => new stdClass(),
"resource" => tmpfile(),
"null" => null,
);
// var_export -- nice, one-liner
$debug_export = var_export($demo, true);
// var_dump
ob_...
Will using 'var' affect performance?
...ile the following C# code:
static void Main(string[] args)
{
var x = "hello";
string y = "hello again!";
Console.WriteLine(x);
Console.WriteLine(y);
}
Then use reflector on it, you get:
// Methods
private static void Main(string[] args)
{
string x = "hello";
string y = "h...
A good example for boost::algorithm::join
...
int main()
{
std::vector<std::string> list;
list.push_back("Hello");
list.push_back("World!");
std::string joined = boost::algorithm::join(list, ", ");
std::cout << joined << std::endl;
}
Output:
Hello, World!
...
How to create enum like type in TypeScript?
...ypes.html
You can use a string literal as a type. For example:
let foo: 'Hello';
Here we have created a variable called foo that will only allow the literal value 'Hello' to be assigned to it. This is demonstrated below:
let foo: 'Hello';
foo = 'Bar'; // Error: "Bar" is not assignable to type "...
How to run a shell script on a Unix console or Mac terminal?
...As example a php7.2 executable copied from /usr/bin is in a folder along a hello script.
#!./php7.2
<?php
echo "Hello!";
To run it:
./hello
Which behave just as equal as:
./php7.2 hello
share
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...
Converting integer to string in Python
...
>>> i = 5
>>> print "Hello, world the number is " + i
TypeError: must be str, not int
>>> s = str(i)
>>> print "Hello, world the number is " + s
Hello, world the number is 5
...
Can one AngularJS controller call another?
...arjs code:
app.service('communicate',function(){
this.communicateValue='Hello';
});
app.controller('ParentCtrl',function(communicate){//Dependency Injection
console.log(communicate.communicateValue+" Parent World");
});
app.controller('ChildCtrl',function(communicate){//Dependency Injection
...