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为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
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public Clipboard(ComponentContainer container) {
super(container.$form());
this.container = container;
context = (Context) container.$context();
Log.d(LOG_TAG, "Clipboard Created");
}
@SimpleProperty(category = PropertyCategory.BEHAVIOR,
description = "操作成功...
Passing parameters in rails redirect_to
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If you have some form data for example sent to home#action, now you want to redirect them to house#act while keeping the parameters, you can do this
redirect_to act_house_path(request.parameters)
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How to add new column to MYSQL table?
...db->mysqli_real_escape_string($_GET['input']); assuming you submit your form normally. If it's ajax it's a little more complex.
– Glitch Desire
Apr 19 '13 at 21:48
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How to create a self-signed certificate with OpenSSL
...'s default browser, do not let you do it. So it will never work on the platform.
The issue of browsers (and other similar user agents) not trusting self-signed certificates is going to be a big problem in the Internet of Things (IoT). For example, what is going to happen when you connect to your th...
The command rbenv install is missing
...kgng rbenv will be installed
pkg install ruby-build
# Building ruby-build form Ports will install rbenv only if the RBENV option is set
cd /usr/ports/devel/ruby-build
make install
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improve ...
In plain English, what does “git reset” do?
...>).
Arguments
Paraphrasing the man page, most common usage is of the form git reset [<commit>] [paths...], which will reset the given paths to their state from the given commit. If the paths aren't provided, the entire tree is reset, and if the commit isn't provided, it's taken to be HEA...
SQL “between” not inclusive
...fix this is:
SELECT *
FROM Cases
WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01'
Another way to fix it is with explicit binary comparisons
SELECT *
FROM Cases
WHERE created_at >= '2013-05-01' AND created_at < '2013-05-02'
Aaron Bertrand has a long blog entry on dates...
New line in JavaScript alert box
...g in MVC 4, and creating a confirm() in the onsubmit event of an Html.BeginForm(). \n does not work for me. I get an Illegal token error when the code gets hit. Apparently you need to escape both the newline character and the backslash that creates the newline character, like so: \\n
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how to convert binary string to decimal?
... -> whatever (thinking like parseInt('5612', 2) would return its binary form ;).
– srph
Mar 17 '15 at 13:54
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HTTP POST and GET using cURL in Linux [duplicate]
...ue1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http://hostname/resource
For logging into a site (auth):
curl -d "username=admin&password=admin&submit=Login"...