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How to iterate over a JavaScript object?
...sOwnProperty when iterating on keys if you're using a simple object (for example one you made yourself with {}).
This MDN documentation explains more generally how to deal with objects and their properties.
If you want to do it "in chunks", the best is to extract the keys in an array. As the order...
Testing HTML email rendering [closed]
...s:
Litmus https://litmusapp.com/
MailChimp https://www.mailchimp.com/
CampaignMonitor https://www.campaignmonitor.com/
Testi@ https://testi.at/
Email on Acid @ https://www.emailonacid.com/
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IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
...r "Update resources" or "Update Classes and Resources"
Update resources: All changed resources (that is, all application components other than the classes) will be updated.
Update classes and resources: All changed resources will be updated; changed classes will be recompiled. Note that whether th...
AJAX post error : Refused to set unsafe header “Connection”
I have the following custom ajax function that posts data back to a PHP file. Everytime the post of data happens I get the following two errors :
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Is there a way to ignore header lines in a UNIX sort?
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(head -n 2 <file> && tail -n +3 <file> | sort) > newfile
The parentheses create a subshell, wrapping up the stdout so you can pipe it or redirect it as if it had come from a single command.
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How do I detect IE 8 with jQuery?
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This should work for all IE8 minor versions
if ($.browser.msie && parseInt($.browser.version, 10) === 8) {
alert('IE8');
} else {
alert('Non IE8');
}
-- update
Please note that $.browser is removed from jQuery 1.9
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Find if variable is divisible by 2
... do it in a better way (up to 50 % faster than modulo operator):
odd: x & 1
even: !(x & 1)
Reference: High Performance JavaScript, 8. ->Bitwise Operators
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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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Why must we define both == and != in C#?
...tors is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1
Knowing that this is the case, the real question is: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this ...
What's the difference between passing by reference vs. passing by value?
...ry course" because personally, I went to college and took programming bootcamps too that taught me that. These courses were modern (less than 5 years ago). A "raw address" is a synonym for a "pointer"... You may be technically correct (according to some cherry picked link) but the language you're us...