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Generate an integer that is not among four billion given ones
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Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one o...
Why is Maven downloading the maven-metadata.xml every time?
...g like the below.
<repositories>
<repository>
<id>central</id>
<url>http://gotoNexus</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snaps...
form_for but to post to a different action
...done it like that
<%= form_for :user, url: {action: "update", params: {id: @user.id}} do |f| %>
Note the optional parameter id set to user instance id attribute.
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Is recursion a feature in and of itself?
...w feature. In particular, in the context of this question, a "new feature" means "useful behavior we haven't yet taught exists", which is not true of recursion because it's a logical extension of features that were taught (namely, that procedures contain instructions, and procedure calls are instruc...
How to remove a column from an existing table?
... By the way, you can call these types of "re-runnable" scripts/functions Idempotent
– tomosius
Nov 25 '16 at 20:12
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Best implementation for hashCode method for a collection
...yType)) {
return false;
}
MyType lhs = (MyType) o; // lhs means "left hand side"
// Primitive fields
return booleanField == lhs.booleanField
&& byteField == lhs.byteField
&& charField == lhs.charField
&am...
How to place two divs next to each other?
Consider the following code :
13 Answers
13
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How to remove all click event handlers using jQuery?
...the following:
$("#saveBtn").off("click").click(function() { saveQuestion(id); });
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A Better Django Admin ManyToMany Field Widget
I find the the Django Admin's default models.ManyToManyField widget to be cumbersome to use. It's the HTML select element and if you have a lot of Objects of the "other" model then it's quite impractical to actually find the "other" Objects you want to associate with "this" Object. And if you ha...
What is copy-on-write?
...ned several times in the Sun JDK tutorials but I didn't understand what it meant.
9 Answers
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