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Lock-free multi-threading is for real threading experts
...id some great work in JSR-166.
Cliff Click has an interesting take on hash tables that does not rely on lock-striping - as the Java and .NET concurrent hash tables do - and seem to scale well to 750 CPUs.
If you are not afraid to venture into Linux territory, the following article provides more ins...
Get selected text from a drop-down list (select box) using jQuery
...
Hi how do you do this inside a Table row/cell, how do you know which of the Dropdown from the table, especially in ASP MVC 5
– transformer
Mar 12 '17 at 7:41
...
How to read data from a zip file without having to unzip the entire file
...can also extract to a file or other destinations).
Reading the zip file's table of contents is as easy as:
using (ZipFile zip = ZipFile.Read(ExistingZipFile))
{
foreach (ZipEntry e in zip)
{
if (header)
{
System.Console.WriteLine("Zipfile: {0}", zip.Name);
if ((zip.Comment ...
How can I build a small operating system on an old desktop computer? [closed]
...stems, and everything else your OS kernel needs to do to get it up to a bootable state. From that point on it's basically a matter of writing device drivers for the hardware you need to support, and offering implementations of the C library functions to make kernel calls for things like opening file...
Best practices for overriding isEqual: and hash
...ing to have all sorts of problems when trying to use them as keys in a hashtable (or any dictionary-type collections).
On the other hand, if 2 instances are not equal, they may or may not have the same hash - it is best if they don't. This is the difference between an O(1) search on a hash table...
Python serialization - Why pickle?
... might be altered at runtime by the user.
You could have another group of tables in the database and write another function to go through everything stored and write it to the new database tables. Then you would need to write another function to be able to load something saved by reading all of tha...
how to iterate through dictionary in a dictionary in django template?
...d values[0] does not work, if that is the case then try values.items.
<table>
<tr>
<td>a</td>
<td>b</td>
<td>c</td>
</tr>
{% for key, values in data.items %}
<tr>
<td>{{key}}</td>...
How to set the width of a cell in a UITableView in grouped style
...
A better and cleaner way to achieve this is subclassing UITableViewCell and overriding its -setFrame: method like this:
- (void)setFrame:(CGRect)frame {
frame.origin.x += inset;
frame.size.width -= 2 * inset;
[super setFrame:frame];
}
Why is it better? Because the oth...
What are the pros and cons of the leading Java HTML parsers? [closed]
...d HTMLCleaner just worked better.
I also use HTMLParser and Jericho for a table extraction task, which replaced some code written using Perl's libhtml-tableextract-perl. I use HTMLParser to filter the HTML for the table, then use Jericho to parse it. I agree with MJB's and Adam's comments that Jeri...
Rich vs Anemic Domain Model [closed]
...e to fetch the Order, Customer, Loyalty Program, Marketing Campaign, Taxes Table from the DB. Consider also, a Customer has a collection of Orders, a Loyalty Program has a collection of Customers and so forth. If we naively fetch all of these, we'll end up loading the whole DB in RAM. This isn't via...