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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...d mandates an
inefficient implementation. But this
is not the case — by using some form
of preprocessing, much of the work can
be avoided. With a slightly smarter
linker than is typically used, it is
possible to remove some of these
inefficiencies. This is discussed in
§6.2.3 and ...
What is a user agent stylesheet?
...
See what Chrome sets by default to the webpage: trac.webkit.org/browser/trunk/Source/WebCore/css/html.css
– Santosh Kumar
Jul 7 '15 at 6:44
...
Really weird eclipse keyboard behavior/bug?
...e this on your system.
I also have heard that on Macs, you can solve this by getting the unit to sleep either by closing the laptop lid or pulling the Apple menu down to sleep, wait a few seconds, and then starting it again. I've not tried this yet.
BTW, when this happens refreshing and other mec...
How to create a memory leak in Java?
...
Here's a good way to create a true memory leak (objects inaccessible by running code but still stored in memory) in pure Java:
The application creates a long-running thread (or use a thread pool to leak even faster).
The thread loads a class via an (optionally custom) ClassLoader.
The class ...
Iterate an iterator by chunks (of n) in Python? [duplicate]
...mporary tuples/lists/etc. of 200K or 1M items make the program consume gigabytes of excess memory and take much longer to run. Why do that if you don't have to? At 200K, extra temp storage makes the overall program take 3.5x longer to run than with it removed. Just that one change. So it is a pretty...
What is the use of interface constants?
...stant interface, all of its subclasses will have their namespaces polluted by the constants in the interface.
There are several constant interfaces in the java platform libraries, such as java.io.ObjectStreamConstants. These interfaces should be regarded as anomalies and
should not be emul...
Biggest advantage to using ASP.Net MVC vs web forms
...garding SoC, people can mess up with it just like they use to on webforms, by writing "fat" controllers with lots of business logic or even data access code in it. So I would say SoC is something that must be provided by the coder, the fw can't help.
– rodbv
De...
What is SYSNAME data type in SQL Server?
... is basically the same as using nvarchar(128) NOT NULL
EDIT
As mentioned by @Jim in the comments, I don't think there is really a business case where you would use sysname to be honest. It is mainly used by Microsoft when building the internal sys tables and stored procedures etc within SQL Serve...
Django admin: how to sort by one of the custom list_display fields that has no database field
...ated to stay in sync with the fields it is derived from. I usually do this by overriding save on eith the model with the denormalized fields or the model it derives from:
# models.py
class Order(models.Model):
bar = models.CharField[...]
customer = models.ForeignKey(Customer)
def save(s...
How to escape apostrophe (') in MySql?
... is informative:
This controls whether a quote mark can be represented by \' in a string literal. The preferred, SQL-standard way to represent a quote mark is by doubling it ('') but PostgreSQL has historically also accepted \'. However, use of \' creates security risks...
That says to me that...