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Given a class, see if instance has method (Ruby)
..._methods and include? when method_defined? does the job.
class Test
def hello; end
end
Test.method_defined? :hello #=> true
NOTE
In case you are coming to Ruby from another OO language OR you think that method_defined means ONLY methods that you defined explicitly with:
def my_method
end
...
How can I use swift in Terminal?
...mark$ swift
Welcome to Swift! Type :help for assistance.
1> println("Hello, world")
Hello, world
2> var myVariable = 42
myVariable: Int = 42
3> myVariable = 50
4> let myConstant = 42
myConstant: Int = 42
5> println(myVariable)
50
6> let label = "The width is "
label: S...
Strip whitespace from jsp output
...iage returns) between the html tags at build time.
E.g. change:
<p>Hello</p>
<p>How are you?</p>
into:
<p>Hello</p><p>How are you?</p>
Do do that, use the maven-replacer-plugin and set it up in pom.xml:
<plugin>
<groupId>com.goo...
How to check if a word is an English word with Python?
...mport enchant
>>> d = enchant.Dict("en_US")
>>> d.check("Hello")
True
>>> d.check("Helo")
False
>>> d.suggest("Helo")
['He lo', 'He-lo', 'Hello', 'Helot', 'Help', 'Halo', 'Hell', 'Held', 'Helm', 'Hero', "He'll"]
>>>
PyEnchant comes with a few dictionari...
How to log something in Rails in an independent log file?
...ithin your rails app, i.e. anywhere you could do Post.create(:title => "Hello world", :contents => "Lorum ipsum"); or something similar you can log to your custom file like this
MyLog.debug "Hello world"
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...
Send response to all clients except sender
...);
function onConnect(socket){
// sending to the client
socket.emit('hello', 'can you hear me?', 1, 2, 'abc');
// sending to all clients except sender
socket.broadcast.emit('broadcast', 'hello friends!');
// sending to all clients in 'game' room except sender
socket.to('game').emit('...
JavaScript blob filename without link
... window.URL.revokeObjectURL(url);
};
}());
var data = { x: 42, s: "hello, world", d: new Date() },
fileName = "my-download.json";
saveData(data, fileName);
I wrote this example just to illustrate the idea, in production code use FileSaver.js instead.
Notes
Older browsers don't supp...
How do I run two commands in one line in Windows CMD?
...ktop) add /k parameter (/k means keep, /c will close window):
cmd /k echo hello && cd c:\ && cd Windows
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follow
...
AngularJS - pass function to directive
... making the call
template: "<button ng-click='updateFn({msg : \"Hello World!\"})'>
Click</button>",
replace: true,
link: function(scope, elm, attrs) {
}
}
});
Fiddle
...
手机串口调试助手：USB OTG 收发文本与十六进制、定时发送（附 .aia 源码）...
...收」时只计数不刷新。
中途验证：Arduino 里 Serial.println("hello")，接收区每次多一行 hello。
发送：输入框写指令，行尾选 \r\n（AT 指令要求）、\n 或「无」，点「发送」。打开「HEX 发送」可以发 01 03 00 00 00 01 这样的 Modbus 指令。...