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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1 00111001110 11100111001 000010
结束符和补齐符
假如我们有个HELLO WORLD的字符串要编码，根据上面的示例二，我们可以得到下面的编码，
编码
字符数
HELLO WORLD的编码
0010
000001011
01100001011 01111000110 10001011100 ...
Is there a TRY CATCH command in Bash
...mplementation in bash, that allows you to write code like:
try
echo 'Hello'
false
echo 'This will not be displayed'
catch
echo "Error in $__EXCEPTION_SOURCE__ at line: $__EXCEPTION_LINE__!"
You can even nest the try-catch blocks inside themselves!
try {
echo 'Hello'
t...
What are type lambdas in Scala and what are their benefits?
... to yield a value of type String => String
scala> world(x => foo("hello", x))
res0: String = hello world
// TYPE LEVEL
// Foo has a kind (*, *) -> *
scala> type Foo[A, B] = Map[A, B]
defined type alias Foo
// World wants a parameter of kind * -> *
scala> type World[M[_]] = M...
How To Set Text In An EditText
...ethods, so you can set it just like a regular TextView:
editText.setText("Hello world!");
editText.setText(R.string.hello_world);
share
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improve this answer
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follow
...
Javascript object Vs JSON
...N.stringify({
foo: new Date(),
blah: function () {
alert('hello');
}
}); // returns the string "{"foo":"2011-11-28T10:21:33.939Z"}"
For parsing a JSON string, is the method below recommended? var javascriptObj = JSON.parse(jSonString);
Yes, but older browsers don't support...
What is the best way to use a HashMap in C++?
...t main(int argc, char **argv)
{
std::map<std::string, int> m;
m["hello"] = 23;
// check if key is present
if (m.find("world") != m.end())
std::cout << "map contains key world!\n";
// retrieve
std::cout << m["hello"] << '\n';
std::map<std::string, int>:...
Java equivalent to Explode and Implode(PHP) [closed]
... String.split and StringUtils.join methods.
Explode :
String[] exploded="Hello World".split(" ");
Implode :
String imploded=StringUtils.join(new String[] {"Hello", "World"}, " ");
Keep in mind though that StringUtils is in an external library.
...
Keep CMD open after BAT file executes
...s for the user to close it. Below is the simple example
start cmd /k echo Hello, World!
What I did use in my case
start cmd /k cordova prepare
Update
You could even have a title for this by using
start "My Title" echo Hello, World!
...
What is the coolest thing you can do in
... on screen, fly around, knock on the screen to get your attention, and say hello.
agentName = "Merlin"
agentPath = "c:\windows\msagent\chars\" & agentName & ".acs"
Set agent = CreateObject("Agent.Control.2")
agent.Connected = TRUE
agent.Characters.Load agentName, agentPath
Set character = ...
Regular expression search replace in Sublime Text 2
...
By the way, in the question above:
For:
Hello, my name is bob
Find part:
my name is (\w)+
With replace part:
my name used to be \1
Would return:
Hello, my name used to be b
Change find part to:
my name is (\w+)
And replace will be what you expect:
He...