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WPF Data Binding and Validation Rules Best Practices
... I am using data binding to allow editing of some custom CLR objects. I am now wanting to put some input validation in when the user clicks save. However, all the WPF books I have read don't really devote any space to this issue. I see that you can create custom ValidationRules, but I am wondering i...
Should bower_components be gitignored?
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Thank you for this interesting article. So for now we still have no "lock file" equivalent to freeze the versions.
– Pierre de LESPINAY
Mar 11 '14 at 14:37
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How do I put two increment statements in a C++ 'for' loop?
... 5; ++i,++j)
do_something(i,j);
But is it really a comma operator?
Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all. I checked that in GCC as follows:
int i=0;
int a=5;
int x=0;
for(i; i<5; x=...
Preserve Line Breaks From TextArea When Writing To MySQL
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I believe UTF-8 is now the default in PHP. But of course it doesn't hurt to be explicit.
– ProfileTwist
Jan 9 '14 at 20:20
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How to use Bitbucket and GitHub at the same time for one project?
...t:
$ git remote add bitbucket git@bitbucket.org:your_user/your_repo.git
Now in order to push changes to corresponding branch on github or bitbucket you can do this:
$ git push github HEAD
$ git push bitbucket HEAD
Same rule applies to pulling: you need to specify which remote you want to pull ...
Build .so file from .c file using gcc command line
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gcc -c -fPIC hello.c -o hello.o
This will generate an object file (.o), now you take it and create the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also s...
Renew Push certificate and keep current App Store App working
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@Vasanth You can generate a new one now and update. It's fine no need to wait.
– Maulik
Aug 5 '19 at 15:41
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Loop through an array of strings in Bash?
...re an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for multi-line a...
MySQL string replace
...updates/', 'articles/news/')
WHERE your_field LIKE '%articles/updates/%'
Now rows that were like
http://www.example.com/articles/updates/43
will be
http://www.example.com/articles/news/43
http://www.electrictoolbox.com/mysql-find-replace-text/
...
Reading a string with scanf
...and although not necessarily the &str is also the same memory address. Now strPtr points to str so the memory address stored inside of strPtr is the same as str and thats 12fe60. Finally &strPtr is the address of the variable strPtr, this is not the value stores in strptr but the actual memo...