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Read String line by line
Given a string that isn't too long, what is the best way to read it line by line?
11 Answers
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Check if element exists in jQuery [duplicate]
... me.
You need to put # before element id:
$('#elemId').length
---^
With vanilla JavaScript, you don't need the hash (#) e.g. document.getElementById('id_here') , however when using jQuery, you do need to put hash to target elements based on id just like CSS.
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
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This is what solved it for us and these folks:
Our project started with Django 1.4, we went to 1.5 and then to 1.7. Our wsgi.py looked like this:
import os
from django.core.handlers.wsgi import WSGIHandler
os.environ['DJANGO_SETTINGS_MODULE'...
ETag vs Header Expires
...r not to make a request for that file again in the future. If ETag is all it has, it will always have to make a request. However, when the server reads the ETag from the client request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their local cop...
Using backticks around field names
...ich has a policy which bans them, I'm wondering if there's anything wrong with using backticks around field names in MySQL.
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jQuery AJAX cross domain
...NP <-- P (lowercase)
success:function(json){
// do stuff with json (in this case an array)
alert("Success");
},
error:function(){
alert("Error");
}
});
PHP:
<?php
$arr = array("element1","element2",array("element31","element32"));
$arr['n...
Testing Private method using mockito
... private method is called or not, and how to test private method using mockito???
12 Answers
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Unexpected results when working with very big integers on interpreted languages
...0500000000
Python's int auto promotes to a Python long which supports arbitrary precision. It will produce the correct answer on 32 or 64 bit platforms.
This can be seen by raising 2 to a power far greater than the bit width of the platform:
>>> 2**99
633825300114114700748351602688L
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JavaScript before leaving the page
...nt to make a confirmation before user leaving the page. If he says ok then it would redirect to new page or cancel to leave. I tried to make it with onunload
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Determine the type of an object?
...t, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference.
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