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Error “initializer element is not constant” when trying to initialize variable with const
...n error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answers
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Enum String Name from Value
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You can convert the int back to an enumeration member with a simple cast, and then call ToString():
int value = GetValueFromDb();
var enumDisplayStatus = (EnumDisplayStatus)value;
string stringValue = enumDisplayStatus.ToString();
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Why should eval be avoided in Bash, and what should I use instead?
Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil?
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How do I trim whitespace?
Is there a Python function that will trim whitespace (spaces and tabs) from a string?
15 Answers
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Malloc vs new — different padding
...e picky point. malloc is guaranteed to return an address aligned for any standard type. ::operator new(n) is only guaranteed to return an address aligned for any standard type no larger than n, and if T isn't a character type then new T[n] is only required to return an address aligned for T.
But th...
How to convert JSON to CSV format and store in a variable
...ead it. Is there a way to convert this data using JavaScript in CSV format and save it in JavaScript file?
16 Answers
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Uncaught SyntaxError: Unexpected token with JSON.parse
... is it not an Array? Why is it an object. Objects start with { and arrays start with [? or am i false here
– user2396641
Sep 4 '16 at 17:20
4
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PostgreSQL: Show tables in PostgreSQL
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From the psql command line interface,
First, choose your database
\c database_name
Then, this shows all tables in the current schema:
\dt
Programmatically (or from the psql interface too, of course):
SELECT * FROM pg_catalog.pg_table...
Good example of livelock?
I understand what livelock is, but I was wondering if anyone had a good code-based example of it? And by code-based, I do not mean "two people trying to get past each other in a corridor". If I read that again, I'll lose my lunch.
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Get a substring of a char* [duplicate]
...is will waste memory. You have been warned! :P
– alexandernst
Nov 11 '13 at 19:00
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@alexanderns...