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What is the difference between float and double?
...i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences between them?
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How can I list ALL DNS records?
Is there any way I can list ALL DNS records for a domain?
8 Answers
8
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Why isn't vector a STL container?
... avoid vector <bool> as it's not an STL container and it doesn't really hold bool s.
6 Answers
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CodeIgniter: How to get Controller, Action, URL information
...is->router->directory; Documentation: codeigniter.com/user_guide/installation/…
– cartalot
May 23 '16 at 21:55
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Unit testing private methods in C#
Visual Studio allows unit testing of private methods via an automatically generated accessor class. I have written a test of a private method that compiles successfully, but it fails at runtime. A fairly minimal version of the code and the test is:
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Handler vs AsyncTask vs Thread [closed]
...so supports reporting progress of the running tasks.
And a Thread is basically the core element of multithreading which a developer can use with the following disadvantage:
If you use Java threads you have to handle the following requirements
in your own code:
Synchronization with the...
Find the files that have been changed in last 24 hours
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To find all files modified in the last 24 hours (last full day) in a particular specific directory and its sub-directories:
find /directory_path -mtime -1 -ls
Should be to your liking
The - before 1 is important - it means anythi...
T-SQL stored procedure that accepts multiple Id values
...sing the List as Many Parameters. Tedious and error prone, but simple.
Really Slow Methods. Methods that uses charindex, patindex or LIKE.
I really can't recommend enough to read the article to learn about the tradeoffs among all these options.
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while (1) Vs. for (;;) Is there a speed difference?
...p
.LCFI0:
movq %rsp, %rbp
.LCFI1:
.L2:
movl $.LC0, %edi
call puts
jmp .L2
.LFE2:
.size t_while, .-t_while
.globl t_for
.type t_for, @function
t_for:
.LFB3:
pushq %rbp
.LCFI2:
movq %rsp, %rbp
.LCFI3:
.L5:
movl $.LC0, %edi
call puts
j...
How to fix 'sudo: no tty present and no askpass program specified' error?
...type:
sudo visudo
Then edit that file to add to the very end:
username ALL = NOPASSWD: /fullpath/to/command, /fullpath/to/othercommand
eg
john ALL = NOPASSWD: /sbin/poweroff, /sbin/start, /sbin/stop
will allow user john to sudo poweroff, start and stop without being prompted for password.
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