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What does the brk() system call do?
...ely due to the introduction mmap, which is a superset that allows multiple range to be allocated and more allocation options.
I think there is no valid case where you should to use brk instead of malloc or mmap nowadays.
brk vs malloc
brk is one old possibility of implementing malloc.
mmap is th...
How do I use arrays in C++?
...ointer assignment makes sense), array-to-pointer decay kicks in as usual.
Ranges
An array of type T[n] has n elements, indexed from 0 to n-1; there is no element n. And yet, to support half-open ranges (where the beginning is inclusive and the end is exclusive), C++ allows the computation of a poi...
Should I index a bit field in SQL Server?
...n, SQL's index contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on how many rows there are this can be paged differently. If your query looks for the index matching "1" and then where Name contains "Fred" (assuming the N...
Get contentEditable caret index position
...
function getCaretPosition(editableDiv) {
var caretPos = 0,
sel, range;
if (window.getSelection) {
sel = window.getSelection();
if (sel.rangeCount) {
range = sel.getRangeAt(0);
if (range.commonAncestorContainer.parentNode == editableDiv) {
caretPos = ran...
Python String and Integer concatenation [duplicate]
... Use the str() function instead.
You can use :
string = 'string'
for i in range(11):
string +=`i`
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use this as @YOU suggested
>>> string = "string"
>>> [string+`i` for i in range(11)]...
How to generate a range of numbers between two numbers?
... Your first "Demo" link keeps telling me String index out of range: 33
– slartidan
Nov 19 '15 at 7:33
1
...
The SQL OVER() clause - when and why is it useful?
...The OVER clause is powerful in that you can have aggregates over different ranges ("windowing"), whether you use a GROUP BY or not
Example: get count per SalesOrderID and count of all
SELECT
SalesOrderID, ProductID, OrderQty
,COUNT(OrderQty) AS 'Count'
,COUNT(*) OVER () AS 'CountAll'
F...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
...
They take up different amounts of space and they have different ranges of acceptable values.
Here are the sizes and ranges of values for SQL Server, other RDBMSes have similar documentation:
MySQL
Postgres
Oracle (they just have a NUMBER datatype really)
DB2
Turns out they all use th...
How to use sed to replace only the first occurrence in a file?
... case, RE. This convenient shortcut means you don't have to duplicate the range-ending regex in your s call.
– mklement0
Oct 29 '15 at 6:21
...
How do I loop through a list by twos? [duplicate]
...
You can use for in range with a step size of 2:
Python 2
for i in xrange(0,10,2):
print(i)
Python 3
for i in range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterab...