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Is it worthwile to learn assembly language? [closed]
...thermore, the conventional wisdom is to not try to hand-optimise assembly most of the time but let the compiler worry about it. When you see some examples of the twisted things that compilers generate, you will better understand why the conventional wisdom holds.
Example: LFSRs run fast with the ro...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...ide or provide default styling for disabled form elements. (Gray out or emboss text) Internet Explorer
5.5 is particularly nasty about this.
Disabled form elements do not receive focus.
Disabled form elements are skipped in tabbing navigation.
The Read Only Attribute
Not all fo...
How to get error message when ifstream open fails
...r between the execution of the f.open and use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-...
Why do you not use C for your web apps?
...s having a look at a few different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
...
ssl_error_rx_record_too_long and Apache SSL [closed]
...ubimage was right on the money for me. It suggested changing the virtual host tag, ie, from <VirtualHost myserver.example.com:443> to <VirtualHost _default_:443>
Error code: ssl_error_rx_record_too_long
This usually means the implementation of SSL on your server is not correct....
What does a type followed by _t (underscore-t) represent?
... and so on. These new types are formally defined in <stdint.h> but most often you will use <inttypes.h> which (unusually for standard C headers) includes <stdint.h>. It (<inttypes.h>) also defines macros for use with the printf() and scanf().
As Matt Curtis noted, there is...
How do I set cell value to Date and apply default Excel date format?
...rmats (not just date formats) that Excel knows. I'm sticking with one of those to use as my parameter to the getFormat() method shown in the snippet above.
– Jim Tough
Apr 27 '11 at 12:08
...
How To Set Up GUI On Amazon EC2 Ubuntu server
... -A INPUT -p tcp --dport 5901 -j ACCEPT
If the grey window issue comes. Mostly because of ".vnc/xstartup" file on different user. So run the vnc server also on same user instead of "awsgui" user.
vncserver
share
...
Is there an easy way to check the .NET Framework version?
...ryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_names = installed_versions.GetSubKeyNames();
//version names start with 'v', eg, 'v3.5' which needs to be trimmed off before conversion
double Framework = Convert.ToDouble(ver...
How to check command line parameter in “.bat” file?
My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...