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Why does “split” on an empty string return a non-empty array?
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For the same reason that
",test" split ','
and
",test," split ','
will return an array of size 2. Everything before the first match is returned as the first element.
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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How to access array elements in a Django template?
...ur object isn't a dict with 3 as a key, doesn't have an attribute named 3, and doesn't have a method named 3.
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“X does not name a type” error in C++
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When the compiler compiles the class User and gets to the MyMessageBox line, MyMessageBox has not yet been defined. The compiler has no idea MyMessageBox exists, so cannot understand the meaning of your class member.
You need to make sure MyMessageBox is defined bef...
How to draw rounded rectangle in Android UI?
I need to draw a rounded rectangle in the Android UI. Having the same rounded rectangle for TextView and EditText would also be helpful.
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Traverse all the Nodes of a JSON Object Tree with JavaScript
...3],
subo: {
foo2:"bar2"
}
};
//called with every property and its value
function process(key,value) {
console.log(key + " : "+value);
}
function traverse(o,func) {
for (var i in o) {
func.apply(this,[i,o[i]]);
if (o[i] !== null && typeof(o[i])=="ob...
“Templates can be used only with field access, property access, single-dimension array index, or sin
...he error message.
You are trying to pass in a method chain to be executed and it doesn't like it.
This is a perfect example of where the MVVM (Model-View-ViewModel) pattern comes in handy.
You could wrap up your Trainer model class in another class called TrainerViewModel that could work somethin...
How to run Nginx within a Docker container without halting?
I have Nginx installed on a Docker container, and am trying to run it like this:
9 Answers
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How to get WordPress post featured image URL
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Check the code below and let me know if it works for you.
<?php if (has_post_thumbnail( $post->ID ) ): ?>
<?php $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'single-post-thumbnail' ); ?>
<div...
How to style a div to be a responsive square? [duplicate]
...tion doesn't play nice with a grid system. If you're looking at squares expanding with columns width, the answer of @rahulbehl works better.
– eightyfive
Sep 11 '14 at 2:41
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