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Get keys from HashMap in Java
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Check this.
https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html
(Use java.util.Objects.equals because HashMap can contain null)
Using JDK8+
/**
* Find any key matching a value.
*
* @param value The value to be matched. Can be null.
* @return Any key matching the value in the ...
Can lambda functions be templated?
...phic lambdas: http://www.boost.org/doc/libs/1_44_0/libs/spirit/phoenix/doc/html/index.html
Does not require C++0x, by the way :)
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How to send a “multipart/form-data” with requests in python?
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You need to use the name attribute of the upload file that is in the HTML of the site. Example:
autocomplete="off" name="image">
You see name="image">? You can find it in the HTML of a site for uploading the file. You need to use it to upload the file with Multipart/form-data
script...
Shuffling a list of objects
... len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation.
Here's a simple version using random.sample() that returns the shuffled result as a new list.
import random
a = range(5)
b = random.sample(a, len(a))
print a, b, "two list s...
fastest MD5 Implementation in JavaScript
...);
return (p(a) + p(b) + p(c) + p(d)).toLowerCase()
};
<!DOCTYPE html>
<html>
<body onload="md5.value=MD5(a.value);">
<form oninput="md5.value=MD5(a.value)">Enter String:
<input type="string" id="a" name="a" value="https://www.zibri.org"></br></br&...
jQuery checkbox change and click event
...iddle example with the latest jQuery 2.x
Added jsfiddle examples and the html with the clickable checkbox label
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How to check the version of GitLab?
...s the version through a URL, the web GUI, and the ReST API.
Via a URL
An HTML page displaying the version can be displayed in a browser at https://your-gitlab-url/help. The version is displayed only if you are signed in.
Via a menu in the web GUI
If you do not care to type this URL, you can also...
Let JSON object accept bytes or let urlopen output strings
...d, either by the Content-Type HTTP header or by another mechanism (an RFC, HTML meta http-equiv,...).
urllib should know how to encode the bytes to a string, but it's too naïve—it's a horribly underpowered and un-Pythonic library.
Dive Into Python 3 provides an overview about the situation.
Yo...
Javascript for “Add to Home Screen” on iPhone?
... users to bookmark the app to their device's home screen. The library uses HTML5 local storage to track whether the promo has been displayed already, to avoid constantly nagging users.
The current implementation of this library specifically targets Mobile Safari, the web browser used on iPhone and i...
What's the use/meaning of the @ character in variable names in C#?
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@Html.TextboxFor( , , , new { @class="my-css-class" } ) is a good example where you can't really get around it without having to manually write the HTML, or have javascript change the attributes at a later stage.
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