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HashMap to return default value for non-found keys?
Is it possible to have a HashMap return a default value for all keys that are not found in the set?
14 Answers
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How do I test for an empty string in a Bash case statement?
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I use a simple fall through. no parameters passed ($1="") will be caught by the second case statement, yet the following * will catch any unknown parameter. Flipping the "") and *) will not work as *) will catch everything every time in that...
send Content-Type: application/json post with node.js
...OST',
json: true,
body: {'my_date' : 'json'}
}
request(options, myCallback)
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Escape single quote character for use in an SQLite query
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for replace all (') in your string, use
.replace(/\'/g,"''")
example:
sample = "St. Mary's and St. John's";
escapedSample = sample.replace(/\'/g,"''")
sha...
C# How can I check if a URL exists/is valid?
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FWIW - Not sure if that really solves the problem (other than perhaps different behavior client side) since you are simply changing the HTTP method. The response from the server will depend heavily on how the logic is coded and may not work well for a...
Create objective-c class instance by name?
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id object = [[NSClassFromString(@"NameofClass") alloc] init];
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In Python, how to display current time in readable format
...e.g., -0400. %Z gives you current timezone name (or abbreviation) automatically. Python doesn't support %l, you could use %I instead.
– jfs
Dec 14 '13 at 19:30
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type object 'datetime.datetime' has no attribute 'datetime'
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Datetime is a module that allows for handling of dates, times and datetimes (all of which are datatypes). This means that datetime is both a top-level module as well as being a type within that module. This is confusing.
Your error is probably based ...
Calculate the number of business days between two dates?
...ad such a task before and I've got the solution.
I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is really waste of processing power. Especially in the r...
What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...ithout RAID0 EBS will provide crappy I/O performance, thus it's not even really an option.
RDS will provide very good (though not maximum) performance out of the box. The management console is fantastic and it's easy to upgrade instances. High availability and read only slaves are a click away. It'...