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How to automatically install Ansible Galaxy roles?
...xplicitly installing a list of dependencies that have been manually listed by the human who made the playbook.
– Neil
Apr 8 at 21:31
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Python idiom to return first item or None
...If you have an empty string "" in the list, that is discarded and replaced by an empty list []. If you have a 0, also replaced by []. If you have False in there, also replaced. Etc. You might get away with this in a specific case, but this is a bad habit to develop.
– steve...
Comments in Markdown
...orth noting that link labels often need to be separated from other content by a blank line.
– Zenexer
Mar 5 '14 at 0:17
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How can prepared statements protect from SQL injection attacks?
...prepare("SELECT * FROM users where id=?");
where the data is substituted by some variable called a parameter or a placeholder.
Note that exactly the same query is sent to the server, without any data in it! And then we're sending the data with the second request, essentially separated from the qu...
Ruby sleep or delay less than a second?
I'm making a script with ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
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Date format Mapping to JSON Jackson
...a fine field type for this. You can make the JSON parse-able pretty easily by using ObjectMapper.setDateFormat:
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm a z");
myObjectMapper.setDateFormat(df);
In general, is there a way to process the variables before they get mapped to Object m...
What characters are allowed in an email address?
...graph below, and in addition, a backslash or double-quote must be preceded by a backslash);
comments are allowed with parentheses at either end of the local-part; e.g. john.smith(comment)@example.com and (comment)john.smith@example.com are both equivalent to john.smith@example.com.
In additio...
Adding a build configuration in Xcode
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I followed this answer exactly (YES, I've selected by project as in the screenshot, YES, I selected Info tab THEN my project) but all those options are still greyed out?
– Can Poyrazoğlu
Sep 5 '16 at 7:09
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How to highlight a current menu item?
...e prone to copy & paste errors. I've found that the directive approach by @kfis, although more lines, is more reusable and keeps the markup cleaner.
– A. Murray
Dec 18 '13 at 12:15
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Where can I learn jQuery? Is it worth it?
...ese series of tutorials (“jQuery for Absolute Beginners” Video Series) by Jeffery Way are VERY HELPFUL.
It targets those developers who are new to jQuery. He shows how to create many cool stuff with jQuery, like animation, Creating and Removing Elements and more.
I learned a lot from it. He sh...