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get size of json object
... is no word-numbered identifier for each phone as they are returned in a 0-indexed array). In this response phones.length will be valid.
Iterate through the objects contained within your phones object and count them as you go, e.g.
var key, count = 0;
for(key in data.phones) {
if(data.phones.hasO...
How to display loading message when an iFrame is loading?
...div>
CSS:
#loadingMessage {
width: 100%;
height: 100%;
z-index: 1000;
background: #ccc;
top: 0px;
left: 0px;
position: absolute;
}
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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...vely worse and worse.
There are also different colour depths (palettes): Indexed color and Direct color.
Indexed means that the image can only store a limited number of colours (usually 256), controlled by the author, in something called a Color Map
Direct means that you can store many thousand...
Why aren't pointers initialized with NULL by default?
...this very reason, the operator[] of the vector class does not check if the index is out of bounds, for instance.
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Get last element of Stream/List in a one-liner
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If list is empty, this code will throw ArrayIndexOutOfBoundsException.
– Dragon
Jan 17 '18 at 14:14
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Is it faster to count down than it is to count up?
...n than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
...
How to remove the left part of a string?
...
I prefer pop to indexing [-1]:
value = line.split("Path=", 1).pop()
to
value = line.split("Path=", 1)[1]
param, value = line.split("Path=", 1)
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What is the easiest way to remove the first character from a string?
...
=> "bc"
Using slice! we can delete any character by specifying its index.
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...:
http://www.oracle.com/technetwork/developer-tools/datamodeler/overview/index.html
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How to generate random number with the specific length in python
...s.
Aside: it is interesting that randint(a,b) uses somewhat non-pythonic "indexing" to get a random number a <= n <= b. One might have expected it to work like range, and produce a random number a <= n < b. (Note the closed upper interval.)
Given the responses in the comments about ran...