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What is std::string::c_str() lifetime?
In one of my programs, I have to interface with some legacy code that works with const char* .
7 Answers
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Access an arbitrary element in a dictionary in Python
...tively and iteratively:
mydict.itervalues().next()
If you want it to work in both Python 2 and 3, you can use the six package:
six.next(six.itervalues(mydict))
though at this point it is quite cryptic and I'd rather prefer your code.
If you want to remove any item, do:
key, value = mydict.po...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
To be honest, I've tried to turn a dirty trick on IIS and just when I thought that I was going to get away with it, I realized my workaround doesn't work. Here's what I've tried to do:
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Staging Deleted files
...g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the working tree, but also a file dir/file3 removed from the working tree. Note that older versions of Git used to ignore removed files; use --no-all option if you want to add modified or ...
How can I add a box-shadow on one side of an element?
I need to create a box-shadow on some block element, but only (for example) on its right side. The way I do it is to wrap the inner element with box-shadow into an outer one with padding-right and overflow:hidden; so the three other sides of the shadow are not visible.
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Difference between DateTime and Time in Ruby
...orical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best, so try and mesh with what your libraries expect. For example, ActiveRecord prefers DateTime.
In versions prior to Ruby 1.9 and on many systems Time is represented as a 32-bit signed...
How to check if smtp is working from commandline (Linux) [closed]
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Syntax for establishing a raw network connection using telnet is this:
telnet {domain_name} {port_number}
So telnet to your smtp server like
telnet smtp.mydomain.com 25
And copy and paste the below
helo client.mydomain.com
mail from:<sender@mydomain.c...
How to get index in Handlebars each helper?
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In the newer versions of Handlebars index (or key in the case of object iteration) is provided by default with the standard each helper.
snippet from : https://github.com/wycats/handlebars.js/issues/250#issuecomment-9514811
The index of the current array item has be...
What is a message pump?
...e APIs all assume you are running Office in an interactive session on a desktop, with a monitor, keyboard and mouse and, most importantly, a message pump." I'm not sure what that is. (I've been programming in C# for only about a year; my other programming experience has primarily been with ColdFus...
Exporting APK from eclipse (ADT) silently crashes
Every time I try to export an APK from Eclipse (tried Juno and Indigo) on Mac, eclipse crashes after a few seconds
8 Answer...