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How to know/change current directory in Python shell?
... ^ SyntaxError: EOL while scanning string literal
– AAI
Sep 4 '16 at 0:31
1
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Rails params explained?
...re really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote...
What is the optimal algorithm for the game 2048?
...sed around in a single machine register.
Bit shift operations are used to extract individual rows and columns. A single row or column is a 16-bit quantity, so a table of size 65536 can encode transformations which operate on a single row or column. For example, moves are implemented as 4 lookups in...
Xcode source automatic formatting
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Good tip. Extra lame that XCode doesn't have this.
– AndrewK
Dec 10 '13 at 3:41
4
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Make sure that the controller has a parameterless public constructor error
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My deep in the bowels exception was a property type of 'string' when it should have been 'DateTime?'. Would not have looked for that had I not seen this answer. Thanks so very much.
– Jazzy
Apr 24 '17 at 19:25
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How do I Search/Find and Replace in a standard string?
Is there a way to replace all occurrences of a substring with another string in std::string ?
9 Answers
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Why is exception handling bad?
.... results in convoluted code" Long time ago I've wrote C program with many string operations. Every method was allocationg memory and then checking if allocation was succesfull. It appeared that majority of the code was just checking allocations. Isn't it convoluted? C++ with exceptions was a great...
How do I check if a list is empty?
...“recommended” and No means “not recommended”):
For sequences, (strings, lists, tuples), use the fact that empty sequences are false.
Yes: if not seq:
if seq:
No: if len(seq):
if not len(seq):
sh...
How to use string.replace() in python 3.x
The string.replace() is deprecated on python 3.x. What is the new way of doing this?
8 Answers
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Forward an invocation of a variadic function in C
...t.h>
#include <alloca.h>
#include <inttypes.h>
#include <string.h>
/* This macros allow wrapping variadic functions.
* Currently we don't care about floating point arguments and
* we assume that the standard calling conventions are used.
*
* The wrapper function has to star...