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How do I combine two data frames?
... steps —
Step 1: Set index of the first dataframe (df1)
df1.set_index('id')
Step 2: Set index of the second dataframe (df2)
df2.set_index('id')
and finally update the dataframe using the following snippet —
df1.update(df2)
...
Limit text length to n lines using CSS
...major browsers.
body {
margin: 20px;
}
.text {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2; /* number of lines to show */
-webkit-box-orient: vertical;
}
<div class="text">
Lorem ipsum dolor sit amet, consectetur ad...
What is a simple command line program or script to backup SQL server databases?
...says that WITH FORMAT formats the storage medium: "The FORMAT option invalidates the entire media contents, ignoring any existing content." Make sure this is what you want.
– alexg
May 10 '12 at 9:30
...
Get form data in ReactJS
....email);
console.log("Password: " + this.state.password);
}
Working fiddle.
Also, read the docs, there is a whole section dedicated to form handling: Forms
Previously you could also use React's two-way databinding helper mixin to achieve the same thing, but now it's deprecated in favor of s...
AVAudioPlayer throws breakpoint in debug mode
... As I have written the the "SOLUTION" section in my question, I do not consider this as a solution. The AVAudioPlayer shouldn't throw random exceptions.
– ThomasCle
Oct 22 '12 at 6:47
...
How to check 'undefined' value in jQuery
... One of my problems was: if you are doing something like this ("#myId"), make sure what do you really need: a. typeof ("#myId")=== "undefined" b. Or: typeof ("#myId").val() === "undefined"
– Alberici
Dec 26 '14 at 22:54
...
What's “tools:context” in Android layout files?
...
i see . according to the screenshot here : tools.android.com/_/rsrc/1337185954574/recent/newconfigchooser/… , it means that doesn't have to be a class that extends Context , right? if so, i think it does more that what you are saying , though i'm not sure what .
...
How to wrap text around an image using HTML/CSS
...
you have to float your image container as follows:
HTML
<div id="container">
<div id="floated">...some other random text</div>
...
some random text
...
</div>
CSS
#container{
width: 400px;
background: yellow;
}
#floated{
float: left;
...
change cursor to finger pointer
...actually the default behavior for links. You must have either somehow overridden it elsewhere in your CSS, or there's no href attribute in there (it's missing from your example).
share
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improve thi...
Labels for radio buttons in rails form
...on to f.label will ensure the label tag's for attribute is the same as the id of the corresponding radio_button
<% form_for(@message) do |f| %>
<%= f.radio_button :contactmethod, 'email' %>
<%= f.label :contactmethod, 'Email', :value => 'email' %>
<%= f.radio_button ...