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Python argparse: Make at least one argument required
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Dang, I like that vars. I just did .__dict__ and felt dumb before.
– Theo Belaire
Feb 13 '14 at 18:27
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What are Transient and Volatile Modifiers?
Can someone explain what the transient and volatile modifiers mean in Java?
4 Answers
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Bash if [ false ] ; returns true
Been learning bash this week and ran into a snag.
6 Answers
6
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Rails 4 LIKE query - ActiveRecord adds quotes
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Your placeholder is replaced by a string and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
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Regex exactly n OR m times
...ou are doing it is fine.
An alternative is:
X{m}(X{k})?
where m < n and k is the value of n-m.
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
... answered Jul 31 '13 at 16:42
Andy JonesAndy Jones
5,80644 gold badges2727 silver badges4444 bronze badges
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Why is semicolon allowed in this python snippet?
...needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
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How can I update the current line in a C# Windows Console App?
...pletion, I'd just like to update the value on the same line as the cursor, and not have to put each percentage on a new line.
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Django: Get an object form the DB, or 'None' if nothing matches
...orks exactly as it suppose to. It returns the first object in query result and doesn't cares if multiple results are found. If you need to check for multiple objects returned you should use .get() instead.
– Cesar Canassa
Mar 13 '14 at 15:03
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javascript function leading bang ! syntax
I've been seeing this syntax on a few libraries now and I'm wondering what the benefit is. (note i'm well aware of closures and what the code is doing, I'm only concerned about the syntactical differences)
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