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How does one generate a random number in Apple's Swift language?
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Edit: Updated for Swift 3.0
arc4random works well in Swift, but the base functions are limited to 32-bit integer types (Int is 64-bit on iPhone 5S and modern Macs). Here's a generic function for a random number of a type expressible by an integer literal:
public func arc4random<T: Express...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...ronize all threads is a nuisance for CUDA learners. So I updated my answer based on the information you gave me. I really appreciate it.
– Bizhan
May 13 at 17:49
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What does the * * CSS selector do?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
..._t was 32, and it was big-endian. (The platform was Lightspeed C on 680x0-based Macintoshes. I said it was a long time ago.)
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Make footer stick to bottom of page correctly [duplicate]
... <html> tag and position the <footer> with position:absolute;
Demo: jsfiddle and SO snippet:
html {
position: relative;
min-height: 100%;
}
body {
margin: 0 0 100px;
/* bottom = footer height */
padding: 25px;
}
footer {
background-color: orang...
Making a request to a RESTful API using python
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Using requests:
import requests
url = 'http://ES_search_demo.com/document/record/_search?pretty=true'
data = '''{
"query": {
"bool": {
"must": [
{
"text": {
"record.document": "SOME_JOURNAL"
}
},
{
"text...
Timer function to provide time in nano seconds using C++
...en RDTSC and your system's built-in clock facilities (which will likely be based on clock(), clock_gettime() and/or QueryPerformanceCounter.
Note that the RDTSC instruction is x86-specific. QueryPerformanceCounter is Windows only. And clock_gettime() is POSIX only. Below I introduce two new cloc...
Difference between int32, int, int32_t, int8 and int8_t
...t.h header file that essentially leverages similar typedefs.
On a windows based system, you may see entries in stdin.h header file as
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef unsigned char uint8_t;
There is quite more...
Sharing a result queue among several processes
...e, just a way for the workers to (repeatedly) report their results back to base.
2 Answers
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
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编辑文件 vim /home/oracle/.bash_profile，添加如下行：
ORACLE_BASE=/mnt/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
ORACLE_SID=orcl
LD_LIBRARY_PATH=$ORACLE_HOME/lib
PATH=$PATH:$ORACLE_HOME/bin:$HOME/bin
export NLS_LANG=American_American.ZHS16GBK
export ORACLE_BAS...