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How to convert a string to an integer in JavaScript?
... is or might be a float and you want an integer:
var x = Math.floor("1000.01"); //floor automatically converts string to number
or, if you're going to be using Math.floor several times:
var floor = Math.floor;
var x = floor("1000.01");
If you're the type who forgets to put the radix in when yo...
Excluding directory when creating a .tar.gz file
...ic_html/tmp
– Black
Dec 5 '18 at 15:01
1
Disregard my previous comment which I cannot longer edit...
Which is better: … or …
...a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, <script>...</script> is va...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
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其中：
values - 表示待发送的数据（这里是单字节0x01，表示高电平）
signed - 表示values数据是否是有符号的数值（假表示无符号）
serviceUuid - 服务UUID，通俗来讲它就是硬件的唯一身份ID
characteristicUuid - 特性UUID，通俗来...
Should I use single or double colon notation for pseudo-elements?
...er123444555621user123444555621
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How do you return from 'gf' in Vim
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jopjop
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How to prevent browser page caching in Rails
...nse.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Co...
Coffeescript — How to create a self-initiating anonymous function?
...
As of CoffeeScript 1.3.1 (released April 2012), do also lets you pass arguments to the function. To pass 1 and 2 as the parameters x and y, write do (x = 1, y = 2) ->. (The documentation for this feature has gotten lost, but the issue where the feature was introdu...
DateTime2 vs DateTime in SQL Server
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DATETIME2 has a date range of "0001 / 01 / 01" through "9999 / 12 / 31" while the DATETIME type only supports year 1753-9999.
Also, if you need to, DATETIME2 can be more precise in terms of time; DATETIME is limited to 3 1/3 milliseconds, while DATETIME2 ca...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...ime.
– Tom Stickel
May 11 '17 at 20:01
1
And how would you do that? Example requests?
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