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C++ STL Vectors: Get iterator from index?
... stl vector by index[], but now I need to copy just a chunk of the vector. It looks like vector.insert(pos, first, last) is the function I want... except I only have first and last as ints. Is there any nice way I can get an iterator to these values?
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...st way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 Answers
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
... that these browsers still can't:
Safari
iOS Safari
Firefox for Android
With the above in mind, we can now use SVG Favicons with a reasonable degree of confidence.
2) Present the SVG as a Data URI
The main objective here is to avoid HTTP Requests.
As other solutions on this page have mentioned, a...
Is the 'type' attribute necessary for tags?
...s attribute. There is no default value for this attribute.
For HTML 5, it is optional. If it is not specified, it defaults to text/javascript. Source
The type attribute gives the language of the script or format of the data. If the attribute is present, its value must be a valid MIME type. T...
How do I check if a variable exists?
...' intstead of myVar. If the variable name is not known when the code is written, it will be stored in a string variable at runtime, and the check I posted will also work.
– Ayman Hourieh
May 9 '09 at 13:46
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Why is “import *” bad?
It is recommended to not to use import * in Python.
12 Answers
12
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No Multiline Lambda in Python: Why not?
I've heard it said that multiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that ...
How to get CRON to call in the correct PATHs
...rrect PATHs. When I run a Python script from shell the script runs fine as it uses the PATHs set in bashrc but when I use cron all the PATHs are not used from bashrc. Is there a file I can enter the PATHs into for cron like bashrc or a way to call the PATHs from bashrc?
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What is NODE_ENV and how to use it in Express?
...pular by the express web server framework. When a node application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environme...
Is int[] a reference type or a value type?
...n array to a function to check something. Should I just pass the array, as it will just pass the reference of it, or should I pass it as ref?
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