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What does the clearfix class do in css? [duplicate]
...oating elements, similar to how text goes around a picture in a newspaper. From a document perspective (the original purpose of HTML), this is how floats work.
float vs display:inline
Before the invention of display:inline-block, websites use float to set elements beside each other. float is prefe...
How to add local .jar file dependency to build.gradle file?
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If you really need to take that .jar from a local directory,
Add next to your module gradle (Not the app gradle file):
repositories {
flatDir {
dirs 'libs'
}
}
dependencies {
implementation name: 'gson-2.2.4'
}
However, being a standard .j...
How to append data to div using JavaScript?
I'm using AJAX to append data to div element, where I fill the div from JavaScript, how can I append new data to the div without losing the previous data found in div?
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How to set up a PostgreSQL database in Django
...thy, but it worked for me without any error.
At first, Install phppgadmin from Ubuntu Software Center.
Then run these steps in terminal.
sudo apt-get install libpq-dev python-dev
pip install psycopg2
sudo apt-get install postgresql postgresql-contrib phppgadmin
Start the apache server
sudo ser...
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
Meet an exception when unmarshalling from xml
14 Answers
14
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Disable LESS-CSS Overwriting calc() [duplicate]
...
Apart from using an escaped value as described in my other answer, it is also possible to fix this issue by enabling the Strict Math setting.
With strict math on, only maths that are inside unnecessary parentheses will be processe...
Changing every value in a hash in Ruby
...inject(my_hash){ |h,(k,str)| h[k]="%#{str}%"; h }, have to return the hash from the block
– aceofspades
Sep 25 '12 at 23:57
1
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Determine whether an array contains a value [duplicate]
...e note that according to the ES5 spec, this method will behave differently from the native one in case ofsigned zeroes and NaNs (see 15.4.4.14 and 9.12 vs. 11.9.6)
– Christoph
Jul 25 '09 at 9:26
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Given a DateTime object, how do I get an ISO 8601 date in string format?
... @core: that's one of the standard Formats, which is different from the custom Formats linked: msdn.microsoft.com/en-us/library/az4se3k1(v=vs.110).aspx
– Wayne
Oct 29 '15 at 17:59
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
...ve is true if @some_var is an instance of a hash or other class that stems from Object. So, if you want a strict match on the class type, using the == or instance_of? method is probably what you're looking for.
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