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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
... While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digi...
How to check if the string is empty?
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s.strip() allocates a new string, which is pure waste. Use string.isspace()
– Clément
Jun 22 at 15:27
add a ...
Creating my own Iterators
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/EDIT: I see, an own iterator is actually necessary here (I misread the question first). Still, I'm letting the code below stand because it can be useful in similar circumstances.
Is an own iterator actually necessary here? Perhaps it's sufficient to forward ...
What is the default form HTTP method?
...faults to the base URI of the document"
enctype: "The default encoding for all forms is `application/x-www-form-urlencoded'."
<!ATTLIST FORM
ACTION CDATA #IMPLIED
METHOD (%HTTP-Method) GET
ENCTYPE %Content-Type; "application/x-www-form-urlencoded"
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Using jQuery how to get click coordinates on the target element
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Thanks, because I personally confused with offset() and position(), for anyone need further clarification may read stackoverflow.com/questions/3202008/… for convenience sake
– simongcc
May 9 '14 at 3:24
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How to commit no change and new message?
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There's rarely a good reason to do this, but the parameter is --allow-empty for empty commits (no files changed), in contrast to --allow-empty-message for empty commit messages. You can also read more by typing git help commit or visiting the online documentation.
While the tree object (w...
One-liner to check whether an iterator yields at least one element?
... Similarly if you need to check if the iterator is empty, one could use all(False for _ in iterator) will check if the iterator is empty. (all returns True if the iterator is empty, otherwise it stops when it sees the first False element)
– KGardevoir
Apr 3 ...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...onsider using a new set of String overloads in Microsoft .NET 2.0. Specifically, data that is designed to be culture-agnostic and linguistically irrelevant should begin specifying overloads using either the StringComparison.Ordinal or StringComparison.OrdinalIgnoreCase members of the new StringCompa...
Change timestamps while rebasing git branch
...mps of the commits to be in an mixed up order. I would rather have them be all be today with only seconds in between.
4 Ans...
How do I increase the number of displayed lines of a Java stack trace dump?
...stack trace will be shortened. If you for some reason want the full trace, all you need to do is take the last line before the ... in Foo's stack trace and look for it in the Bar's stack trace; everything below that line is exactly what would have been printed in Foo's stack trace.
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