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How to find a min/max with Ruby
... min(5,10) , or Math.max(4,7) . Are there functions to this effect in Ruby?
6 Answers
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When to use dynamic vs. static libraries
...they had a major flaw (google DLL hell), which has all but been eliminated by more recent Windows OSes (Windows XP in particular).
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What is the difference between Amazon SNS and Amazon SQS?
...cribe system. Messages are pushed to subscribers as and when they are sent by publishers to SNS.
SQS is distributed queuing system. Messages are NOT pushed to receivers. Receivers have to poll or pull messages from SQS. Messages can't be received by multiple receivers at the same time. Any one rec...
Find an item in List by LINQ?
...te that this will throw if the item doesn't exist. This solves the problem by resorting to nullable ints:
var tagged = list.Select((item, i) => new { Item = item, Index = (int?)i });
int? index = (from pair in tagged
where pair.Item == search
select pair.Index).FirstOrDef...
What is the memory consumption of an object in Java?
Is the memory space consumed by one object with 100 attributes the same as that of 100 objects, with one attribute each?
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how to find host name from IP with out login to the host
...npage:
Reverse lookups -- mapping addresses to names -- are simplified by the
-x option. addr is an IPv4 address in dotted-decimal notation, or a colon-delimited IPv6 address. When this option is used, there is no
need to provide the name, class and type arguments. dig automatically
perf...
Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
I'm not a security expert by any means, but I favor creating REST-style web services.
11 Answers
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Add .gitignore to gitignore
... said, ignoring gitignore can be counter-productive if your repo is shared by multiple users.
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Should I test private methods or only public ones? [closed]
...ivate method B. A and B both make use of method C. C is changed (perhaps by you, perhaps by a vendor), causing A to start failing its tests. Wouldn't it be useful to have tests for B also, even though it's private, so that you know whether the problem is in A's use of C, B's use of C, or both?
T...
Django CharField vs TextField
...storage — and text (or similar) types — those are usually limited only by hardcoded implementation limits (not a DB schema).
PostgreSQL 9, specifically, states that "There is no performance difference among these three types", but AFAIK there are some differences in e.g. MySQL, so this is somet...