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Difference between malloc and calloc?
... that if your code becomes "safer" as a result of zero-initing allocations by default, then your code is insufficiently safe whether you use malloc or calloc. Using malloc is a good indicator that the data needs initialisation - I only use calloc in cases where those 0 bytes are actually meaningful....
Java Try Catch Finally blocks without Catch
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@jyw That is what I meant by the first item in the list above.
– Peter Lawrey
May 3 '17 at 7:34
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Custom method names in ASP.NET Web API
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By default the route configuration follows RESTFul conventions meaning that it will accept only the Get, Post, Put and Delete action names (look at the route in global.asax => by default it doesn't allow you to specify any...
Less aggressive compilation with CSS3 calc
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Less no longer evaluates expression inside calc by default since v3.00.
Original answer (Less v1.x...2.x):
Do this:
body { width: calc(~"100% - 250px - 1.5em"); }
In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brack...
Best data type to store money values in MySQL
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I prefer to use BIGINT, and store the values in by multiply with 100, so that it will become integer.
For e.g., to represent a currency value of 93.49, the value shall be stored as 9349, while displaying the value we can divide by 100 and display. This will occupy less ...
How to fix Error: “Could not find schema information for the attribute/element” by creating schema
...d compile you won't even see the messages. 2. Although no need to, solve by right clicking the .config properties correcting the path to the VS supplied XSD. (@pressacco's answer) 3. Or: change project settings DotNet version and back. Repeat twice. (reexmonkey's answer). May cause problems wit...
Creating an instance of class
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/* 8 */ Bar* bar3 = new Bar ( Foo::Foo() );
Would work and work by the same principle to 5 and 6 if bar3 wasn't declared on in 7.
5 & 6 contain memory leaks.
Syntax like new Bar ( Foo::Foo() ); is not usual. It's usually new Bar ( (Foo()) ); - extra parenthesis account for most-vexi...
Where does mongodb stand in the CAP theorem?
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MongoDB is strongly consistent by default - if you do a write and then do a read, assuming the write was successful you will always be able to read the result of the write you just read. This is because MongoDB is a single-master system and all reads go t...
Auto-indent in Notepad++
...Plugin Manager->Show Plugin Manager** and then check the plugin "Indent By Fold"
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How can I do DNS lookups in Python, including referring to /etc/hosts?
...host's ip. In case you want the latter,
import socket
print(socket.gethostbyname('localhost')) # result from hosts file
print(socket.gethostbyname('google.com')) # your os sends out a dns query
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