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JavaScript file upload size validation
...is browser yet.");
return;
}
input = document.getElementById('fileinput');
if (!input) {
bodyAppend("p", "Um, couldn't find the fileinput element.");
}
else if (!input.files) {
bodyAppend("p", "This browser doesn't seem to support the `files` property of ...
What happens to a detached thread when main() exits?
...Unless you've unwound your stack at this point, it's hard to see how to avoid undefined behaviour.
The answer to the second question "can detached threads ever be joined again" is:
Yes, with the *_at_thread_exit family of functions (notify_all_at_thread_exit(), std::promise::set_value_at_thread_ex...
MongoDB/NoSQL: Keeping Document Change History
...ew version on each change
I came across the Versioning module of the Mongoid driver for Ruby. I haven't used it myself, but from what I could find, it adds a version number to each document. Older versions are embedded in the document itself. The major drawback is that the entire document is duplic...
What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
8 Answers
...
Setting href attribute at runtime
...he class for the anchor element, use '.class-name' and if you have set the id for the anchor element, use '#element-id'.
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To draw an Underline below the TextView in Android
...ctivity content , in the PreferenceCategory ?
– android developer
Jul 1 '13 at 8:21
...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...s.css.scss. You should put any JavaScript or CSS unique to a controller inside their respective asset files, as these files can then be loaded just for these controllers with lines such as <%= javascript_include_tag params[:controller] %> or <%= stylesheet_link_tag params[:controller] %>...
Likelihood of collision using most significant bits of a UUID in Java
If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right?
...
How to generate the JPA entity Metamodel?
...cessor.
Hibernate as a dependency
<dependency>
<groupId>org.hibernate.orm</groupId>
<artifactId>hibernate-jpamodelgen</artifactId>
<version>${version.hibernate-jpamodelgen}</version>
<scope>provided</scope>
<...
Query for documents where array size is greater than 1
...ive operators listed on
this page, but is very flexible. See the server-side processing page
for more information.
2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better sol...