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Is it safe to parse a /proc/ file?
...y it yourself for fun.)
/proc/mounts is atomic within a single read system call. So if you read the whole file all at once, you get a single consistent snapshot of the mount points on the system. However, if you use several read system calls -- and if the file is big, this is exactly what will happe...
Why there is no ForEach extension method on IEnumerable?
...is done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEach() could be chained: although evilness/usefulness of such a feature is open to discussion.
Those are all great points made by many people here and...
Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...sure the URL contains embed rather watch as the /embed endpoint allows outside requests, whereas the /watch endpoint does not.
<iframe width="420" height="315" src="https://www.youtube.com/embed/A6XUVjK9W4o" frameborder="0" allowfullscreen></iframe>
...
Response.Redirect with POST instead of Get?
...urity warning. To do that, you would write something like this:
public void PageLoad(object sender, EventArgs e)
{
// Process the post on your side
Response.Status = "307 Temporary Redirect";
Response.AddHeader("Location", "http://example.com/page/to/post.to");
}
Unfortunately, t...
Determine version of Entity Framework I am using?
...ework and list the version the project has installed.
PM> Get-Package
Id Version Description/Release Notes ...
deciding among subprocess, multiprocessing, and thread in Python?
... the comments, the Global Interpreter Lock (GIL) can be released in C code called from Python code).
I believe that most of the functions of the three modules you cite can be used in a platform-independent way. On the portability side, note that multiprocessing only comes in standard since Python ...
How to Delete using INNER JOIN with SQL Server?
...
@bluefeet could you provide the right syntax for SQL Server for deleting from both tables?
– oabarca
May 21 '14 at 14:43
47
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From Arraylist to Array
...der Java versions using pre-sized array was recommended, as the reflection call which is necessary to create an array of proper size was quite slow. However since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even bette...
What is the purpose of the -m switch?
Could you explain to me what the difference is between calling
3 Answers
3
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C++ performance vs. Java/C#
...op of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because of this intermediate step, however I've been told that the latest compilers ("hot spot") can attain this speed or even exceed it.
...