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What is the most effective way for float and double comparison?
...vate:
// The data type used to store the actual floating-point number.
union FloatingPointUnion {
RawType value_; // The raw floating-point number.
Bits bits_; // The bits that represent the number.
};
// Converts an integer from the sign-and-magnitude representation to
// t...
In .NET, which loop runs faster, 'for' or 'foreach'?
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Enumerable.Select has an overload that lets you obtain the index of the item, so even the need for an index does not mandate using for. See msdn.microsoft.com/en-us/library/bb534869.aspx
– TrueWill
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How to remove unreferenced blobs from my git repo
...s/folders from your git repository. To use
# it, cd to your repository's root and then run the script with a list of paths
# you want to delete, e.g., git-delete-history path1 path2
if [ $# -eq 0 ]; then
exit 0
fi
# make sure we're at the root of git repo
if [ ! -d .git ]; then
echo "Err...
How would I get a cron job to run every 30 minutes?
... Works great! In CentOS crontab, I had to do something like 0,30 * * * * root your_command where root would be the user I'm using.
– prograhammer
Nov 13 '14 at 0:38
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RootViewController Switch Transition Animation
... Transition/animation effect while replacing an existing viewcontroller as rootviewcontroller with a new one in the appDelegate?
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How do I reword the very first git commit message?
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Do git rebase -i --root
(point to root instead of pointing to a specific commit)
This way, the first commit is also included and you can just reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before the...
How do I get the row count of a pandas DataFrame?
... answered Apr 11 '13 at 8:24
rootroot
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How can I write a heredoc to a file in Bash script?
...t operator it can be combined with sudo if you need to write to files with root permissions.
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SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...lCoffman, you must go to your target settings and in Code Signing Identity select "iOS Developer" (or any other valid identity). This fixes the build error, however at least for me it doesn't fix the Keychain problem. I still get -34018 error code.
– Marcin
Jun...
move_uploaded_file gives “failed to open stream: Permission denied” error
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This is because images and tmp_file_upload are only writable by root user. For upload to work we need to make the owner of those folders same as httpd process owner OR make them globally writable (bad practice).
Check apache process owner: $ps aux | grep httpd. The first column will be ...