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When to use Comparable and Comparator
I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works.
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What is the difference between a stored procedure and a view?
...gle table.
A stored procedure uses parameters to do a function... whether it is updating and inserting data, or returning single values or data sets.
Creating Views and Stored Procedures - has some information from Microsoft as to when and why to use each.
Say I have two tables:
tbl_user, with ...
Git rebase: conflicts keep blocking progress
I have a git branch (called v4), that was made from master just yesterday. There were a couple of changes to master, that I want to get into v4. So, in v4, I tried to do a rebase from master, and one file keeps screwing things up: a one-line text file, that contains the version number. This file ...
How does one make random number between range for arc4random_uniform()?
so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
cannot load such file — bundler/setup (LoadError)
I'm setting Rails 4 application with Ruby 2.0, but I'm getting "Web application could not be started" and get this trace:
1...
Specifying an Index (Non-Unique Key) Using JPA
...ng JPA annotations. We need a non-unique key on email because there are literally millions of queries on this field per day, and its a bit slow without the key.
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How to write PNG image to string with the PIL?
I have generated an image using PIL . How can I save it to a string in memory?
The Image.save() method requires a file.
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jQuery loop over JSON result from AJAX Success?
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you can remove the outer loop and replace this with data.data:
$.each(data.data, function(k, v) {
/// do stuff
});
You were close:
$.each(data, function() {
$.each(this, function(k, v) {
/// do stuff
});
});
You have an array of objects/maps so the outer ...
Where to get “UTF-8” string literal in Java?
I'm trying to use a constant instead of a string literal in this piece of code:
11 Answers
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...alue") && foo.contains("anotherValue"));
vs.
assertThat(foo, hasItems("someValue", "anotherValue"));
One can discuss which one of those is easier to read, but once the assert fails, you'll get a good error message from assertThat, but only a very minimal amount of information from asser...