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How to sort Map values by key in Java?
I have a Map that has strings for both keys and values.
15 Answers
15
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What's wrong with foreign keys?
...documented
Reasons not to use Foreign Keys:
you are making the DB work extra on every CRUD operation because it has to check FK consistency. This can be a big cost if you have a lot of churn
by enforcing relationships, FKs specify an order in which you have to add/delete things, which can lead ...
How do you send a HEAD HTTP request in Python 2?
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response.info().__str__() will return string format of the header, in case you want to do something with the result you get.
– Shane
Oct 12 '10 at 12:17
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UDP vs TCP, how much faster is it? [closed]
...gh, a missing or 'rearranged' packet is critical. You'd have to write some extra code to run on top of UDP to retry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places.
Thankfully, some very very smart people have done this, and they called it T...
Is there a builtin identity function in python?
... thanks, I have a trivial lambda x: x identity function that works for one string parameter. @Marcin I wish I could do lambda *args: *args :-)
– rds
Jan 6 '12 at 0:01
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How does git store files?
... gc --aggressive uses value 250, which makes it run very slow, but provide extra compression for history data.
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Any way to force strict mode in node?
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Beware, env will work with extra parameters like that on OSX, but not on Linux.
– AerandiR
Sep 13 '15 at 8:18
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Ship an application with a database
...es are triggered by changing the database version number in the res/values/strings.xml file. Upgrades would then be accomplished by creating a new database externally, replacing the old database in the assets folder with the new database, saving the old database in internal storage under another nam...
Handle ModelState Validation in ASP.NET Web API
...BaseApiController or something like that
var errors = new List<string>();
foreach (var state in ModelState)
{
foreach (var error in state.Value.Errors)
{
errors.Add(error.ErrorMessage);
}
}
return Requ...
What's the best practice for primary keys in tables?
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Just an extra comment on something that is often overlooked. Sometimes not using a surrogate key has benefits in the child tables. Let's say we have a design that allows you to run multiple companies within the one database (maybe it...