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PHP check whether property exists in object or class

...ct variable, but I want to check whether a property is in the given object or class. 8 Answers ...
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How to dump a table to console?

...which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDictionary using gdb. ...
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CSS3 transform not working

I am trying to transform my menu items by rotating them 10 degrees. My CSS works in Firefox but I've failed to replicate the effect in Chrome and Safari. I know IE doesn't support this CSS3 property so that's not a problem. ...
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Difference between static STATIC_URL and STATIC_ROOT on Django

... STATIC_ROOT The absolute path to the directory where ./manage.py collectstatic will collect static files for deployment. Example: STATIC_ROOT="/var/www/example.com/static/" now the command ./manage.py collectstatic will copy all the static files(ie in static folde...
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Python dict how to create key or append an element to key?

...to do this so you can compare how it looks and choose what you like. I've ordered them in a way that I think is most "pythonic", and commented the pros and cons that might not be obvious at first glance: Using collections.defaultdict: import collections dict_x = collections.defaultdict(list) ......
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What does “javascript:void(0)” mean?

... The void operator evaluates the given expression and then returns undefined. The void operator is often used merely to obtain the undefined primitive value, usually using “void(0)” (which is equivalent to “void 0”). In ...
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What is “above-the-fold content” in Google Pagespeed?

Until recently, my site (www.heatexchangers.ca) scored 98% on Google Page Speed. There were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do. ...
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How do I loop through or enumerate a JavaScript object?

... You can use the for-in loop as shown by others. However, you also have to make sure that the key you get is an actual property of an object, and doesn't come from the prototype. Here is the snippet: var p = { "p1": "value1", "p...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like ...
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How can I install from a git subdirectory with pip?

I have a git repository with many folders, one of them being a python module installable with pip, like this: 2 Answers ...