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Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...
How to properly ignore exceptions
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try:
doSomething()
except:
pass
or
try:
doSomething()
except Exception:
pass
The difference is that the first one will also catch KeyboardInterrupt, SystemExit and stuff like that, which are derived directly from exceptions.BaseException, not ex...
Gzip versus minify
...d 81 Apr 30 09:18 minified.js.gz
Here's a further test using a real-world JS example. The source file is "common.js" The original file size is 73134 bytes. Minified, it came to 26232 bytes.
Original file:
-rwxrwxrwx 1 xxxxxxxx mkgroup-l-d 73134 Apr 13 11:41 common.js
Minified file:
-rw...
Double Negation in C++
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However, it's pointless in C++ or modern C, or where the result is only used in a boolean expression (as in the question). It was useful back when we had no bool type, to help avoid storing values other than 1 and 0 in boolean variables.
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Reading output of a command into an array in Bash
... read the output of a command in my script into an array. The command is, for example:
3 Answers
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Do I really need to encode '&' as '&'?
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Yes. Just as the error said, in HTML, attributes are #PCDATA meaning they're parsed. This means you can use character entities in the attributes. Using & by itself is wrong and if not for lenient browsers and the fact that this is HTML not X...
Regular expression for first and last name
For website validation purposes, I need first name and last name validation.
23 Answers
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What is the difference between a WCF Service Application and a WCF Service Library?
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A service application includes a website host already setup for you. A service library is a library of services that a host can reference and startup.
If you start with a service library (recommended) you can then choose any host you wish (a windows service, IIS/ASP.NET, or even a co...
How to redirect single url in nginx?
I'm in the process of reorganizing url structure.
I need to setup redirect rules for specific urls - I'm using NGINX.
3 ...
How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
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First, it's always worth noting that git reset --hard is a potentially dangerous command, since it throws away all your uncommitted changes. For safety, you should always check that the output of git status is clean (that is, empty) before using...