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Can I use an OR in regex without capturing what's enclosed?
...atement? So I'm looking for the pattern ac or ab, but I want to output ab if ab and only 'c' is output is 'ac'.
– Moondra
Aug 3 '17 at 21:12
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What's the best way to distribute Java applications? [closed]
...and the user doesn't understand the security benefits and messages anyway. If you want to do anything on the users system you're going to have to pay for your code signing certificate to get rid of the scary warnings It does a lot of complicated caching which can cause problems. Maybe OSGi or upcomi...
How to make Scroll From Source feature always enabled?
...o enable "Scroll from source" in IntelliJ IDEA so it is always on, meaning if you open any file it is automatically shown in Project view, likewise it is made in Eclipse?
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How to find a parent with a known class in jQuery?
...e a <div> that has many other <div> s within it, each at a different nesting level. Rather than give every child <div> an identifier, I rather just give the root <div> the identifier. Here’s an example:
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How do I replace all line breaks in a string with elements?
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If your concern is just displaying linebreaks, you could do this with CSS.
<div style="white-space: pre-line">Some test
with linebreaks</div>
Jsfiddle: https://jsfiddle.net/5bvtL6do/2/
Note: Pay attention to c...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
...ror shows up:
c.execute("SELECT * FROM t WHERE a = %s")
In other words, if you provide parameter (%s) in query, but you forget to add query params. In this case error message is very misleading.
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Index on multiple columns in Ruby on Rails
...insofar as you use its columns in sequence starting at the beginning. i.e. if you index on [:user_id, :article_id], you can perform a fast query on user_id or user_id AND article_id, but NOT on article_id.
Your migration add_index line should look something like this:
add_index :user_views, [:us...
Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
..."/Applications/TextEdit.app/Contents/MacOS/TextEdit\"" >> ~/.bashrc
If you are using zsh, use ~/.zshrc instead of ~/.bashrc.
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Redirect to an external URL from controller action in Spring MVC
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Its even simpler if you directly return a String rather then the ModelAndView.
– daniel.eichten
Sep 5 '15 at 8:57
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MySQL join with where clause
... or the where is equivalent. However, with an outer join, they are vastly different.
As a join condition, you specify the rowset that you will be joining to the table. This means that it evaluates user_id = 1 first, and takes the subset of user_category_subscriptions with a user_id of 1 to join to ...