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How to use a dot “.” to access members of dictionary?
...ehave differently from common expectations in that it won't raise AttributeError if the attribute does not exist. Instead it will return None.
– mic_e
Aug 1 '16 at 10:45
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Return a `struct` from a function in C
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The struct b line doesn't work because it's a syntax error. If you expand it out to include the type it will work just fine
struct MyObj b = a; // Runs fine
What C is doing here is essentially a memcpy from the source struct to the destination. This is true for both assig...
What is a build tool?
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Build Process is a Process of compiling your source code for any errors using some build tools and creating builds(which are executable versions of the project). We(mainly developers) do some modifications in the source code and check-in that code for the build process to happen. After the...
stash@{1} is ambiguous?
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@sehe: The one Uncommon currently uses. The error message quoted indicates it quite clearly (no, it seems it can't be bash).
– Jan Hudec
Jun 24 '11 at 14:35
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Or versus OrElse
... Or makes sense in all cases where the second item does not trigger error if the first one is true...
– awe
Jul 23 '09 at 10:16
4
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How can I add a boolean value to a NSDictionary?
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Get a compiler error: Incompatible pointer types initializing NSMutableDictionary * with an expression of type NSDictionary. If you change the declaration to NSDictionary instead, get compiler error: Expected method to write dictionary elem...
nginx: send all requests to a single html page
..._files '' /base.html; gave me a redirection problem and an internal server error, but modifying it to try_files '' /base.html =404; fixed that, if it helps anyone.
– William Turrell
Sep 25 '15 at 12:35
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Reload django object from database
... that you have to update all references to this object. Not very handy and error-prone.
– grep
Feb 4 '11 at 14:12
2
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How to convert a number to string and vice versa in C++
...cluding how they behave in case of bad input. However the link contains an error in that according to the standard if the input number is too large to fit in the target type, the behavior is undefined.
#include <cstdlib> //the standard C library header
#include <string>
int main()
{
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Check a collection size with JSTL
... or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >.
<c:if test="${companies.size() gt 0}">
</c:if>
If you're actually facing an EL parsing error, then you're probably using a...