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Do you (really) write exception safe code? [closed]
...on, which enables you to write code with transactional semantics, like databases, with commit/rollback features, the commit being the normal execution of the code, throwing exceptions being the rollback.
Then, the "basic" is the very least guarantee you should offer. C++ is a very strong language th...
Changing all files' extensions in a folder with one command on Windows
...SSMS).
The solutions posted above didn't work. But I came up with this:
(Based on answers to batch programming - get relative path of file)
@echo off
setlocal enabledelayedexpansion
for %%f in (*) do (
set B=%%f
set B=!B:%CD%\=!
ren "!B!" "!B:.StoredProcedure=!"
)
The above script removes...
Does free(ptr) where ptr is NULL corrupt memory?
...ccurs.
See ISO-IEC 9899.
That being said, when looking at different codebases in the wild, you'll notice people sometimes do:
if (ptr)
free(ptr);
This is because some C runtimes (I for sure remember it was the case on PalmOS) would crash when freeing a NULL pointer.
But nowadays, I believe ...
Remove blank lines with grep
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This works for me on files from a linux based system but not on files from Windows. Presumably because of Windows line-ending characters.
– user5012123
Feb 9 '18 at 15:07
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Prevent form submission on Enter key press
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yes you can. Javascript is prototype based language. document.forms["form_name"].onsubmit = fucntion() {}
– the_drow
May 25 '09 at 4:10
1
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How to have click event ONLY fire on parent DIV, not children?
...
I had the same problem and came up with this solution (based on the other answers)
$( ".newsletter_background" ).click(function(e) {
if (e.target == this) {
$(".newsletter_background").hide();
}
});
Basically it says if the target is the div then run the code...
How can I mark “To Do” comments in Xcode?
Currently I'm working on an iOS based Image Manipulation task.
10 Answers
10
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Entity Framework Refresh context?
How could I refresh my context? I have entities based on views from my Database and when I made an update over one table Entity that has navigation properties to views, the entity is update but the view don't refresh accord the new updates...just want to get again from the Db the data.
Thanks!
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How to check if a Ruby object is a Boolean
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trying to do typecasting based on the current value.
– Lance Pollard
Jun 12 '10 at 10:45
76
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jquery - fastest way to remove all rows from a very large table
...licated table with 1500 rows that got quite slow, changing to the new AJAX based table made this same data seem rather fast.
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