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How does a “stack overflow” occur and how do you prevent it?
...++, at least) is to declare some enormous variable on the stack.
char hugeArray[100000000];
That'll do it.
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How to find where gem files are installed
...files are YAML files with the following YAML keys:
:sources: A YAML array of remote gem repositories to install gems from
:verbose: Verbosity of the gem command. false, true, and :really are the
levels
:update_sources: Enable/disable automatic updating of repositor...
String concatenation vs. string substitution in Python
... you don't have a fixed number of items to string-ize." -- You mean a list/array? In that case, couldn't you just join() them?
– strager
Dec 18 '08 at 1:04
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Why can't I use float value as a template parameter?
..., except
that the & may be omitted if the name refers to a function or array
and shall be omitted if the corresponding template-parameter is a
reference; or
a constant expression that evaluates to a null pointer value (4.10); or
a constant expression that evaluates to a null member pointer val...
How to import CSV file data into a PostgreSQL table?
...as the column names
for col in execute format('select unnest(string_to_array(trim(temp_table::text, ''()''), '','')) from temp_table where col_1 = %L', col_first)
loop
execute format('alter table temp_table rename column col_%s to %s', iter, col);
iter := iter + 1;
end lo...
Why does string::compare return an int?
...tions.
The smaller types exist mainly to allow RAM usage optimization for arrays and structs. In most cases they trade a few CPU cycles (in the form of aligment operations) for a better RAM usage.
Unless you need to enforce your return value to be a signed or unsigned number of a centain size (cha...
Negative weights using Dijkstra's Algorithm
...so that a vertex cannot be enqueued more than once (e.g., using a marked[] array to mark those vertices that have been relaxed), then the algorithm is guaranteed to run in E log V time but it may yield incorrect results when there are edges with negative weights.
For more implementation details an...
What is LINQ and what does it do? [closed]
...ational databases, but also on XML or in-memory container objects, such as arrays and lists. More information is available in MSDN library: http://msdn.microsoft.com/en-us/library/bb308959.aspx
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Avoid trailing zeroes in printf()
...os(void) {
//This finds the index of the rightmost ASCII char[1-9] in array
//All elements to the left of this are nulled (=0)
int i = 20;
unsigned char char1 = 0; //initialised to ensure entry to condition below
while ((char1 > 57) || (char1 < 49)) {
i--;
...
Python Linked List
...ne practical advantage of a singly linked list over doubly linked lists or arrays (which Python uses internally for lists) is that two linked lists can share a tail. This is very useful for dynamic algorithms that require saved values from previous iterations where sharing list tails can reduce mem...