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How to determine the Boost version on a system?
Is there a quick way to determine the version of the Boost C++ libraries on a system?
11 Answers
...
Reload Flask app when template file changes
...ment to Flask().run(), a collection of filenames to watch: any change on those files will trigger the reloader.
Example:
from os import path, walk
extra_dirs = ['directory/to/watch',]
extra_files = extra_dirs[:]
for extra_dir in extra_dirs:
for dirname, dirs, files in walk(extra_dir):
...
Using an SSH keyfile with Fabric
How do you configure fabric to connect to remote hosts using SSH keyfiles (for example, Amazon EC2 instances)?
8 Answers
...
How to Batch Rename Files in a macOS Terminal?
...se you can use the following bash command (bash is the default shell on macOS):
for f in *.png; do echo mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry ru...
Running a Python script from PHP
...orrect privileges:
Taken from php manual:
Just a quick reminder for those trying to use shell_exec on a
unix-type platform and can't seem to get it to work. PHP executes as
the web user on the system (generally www for Apache), so you need to
make sure that the web user has rights to what...
asynchronous vs non-blocking
... So it depends. Terminology is not applied in a totally consistent way across the whole software industry.
For example in the classic sockets API, a non-blocking socket is one that simply returns immediately with a special "would block" error message, whereas a blocking socket would have blocked. ...
UIActionSheet cancel button strange behaviour
... showFromToolbar: method instead. You'll need a reference to the toolbar, most likely an ivar
[actionSheet showFromToolbar:self.myToolbar];
My Old Answer Also works, but is hacky:
Just found a possible answer:
01-Dec-2008 10:22 PM Tom Saxton:
I looked at this bug some more, and it seems ...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
iOS开发调试技巧总结对于软件开发而言，调试是必须学会的技能，重要性不言而喻。对于调试的技能，基本上是可以迁移的，也就是说你以前在其他平台上掌握的很多调...对于软件开发而言，调试是必须学会的技能，重要性不言...
What is the difference between NTFS Junction Points and Symbolic Links?
...
Symbolic links have more functionality, while junctions almost seem to be a legacy feature because of their limitations, but the security implications of these limitations are specifically why a junction might be preferred over a symbolic link. Remote targeting makes symbolic links m...
How to remove trailing whitespaces with sed?
...i 's/[ \t]*$//' "$1"
Be aware the expression will delete trailing t's on OSX (you can use gsed to avoid this problem). It may delete them on BSD too.
If you don't have gsed, here is the correct (but hard-to-read) sed syntax on OSX:
sed -i '' -E 's/[ '$'\t'']+$//' "$1"
Three single-quoted strin...