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Divide a number by 3 without using *, /, +, -, % operators
...uires the + operator, so all you have left to do is to add the values with bit-operators:
// replaces the + operator
int add(int x, int y)
{
while (x) {
int t = (x & y) << 1;
y ^= x;
x = t;
}
return y;
}
int divideby3(int num)
{
int sum = 0;
wh...
Python's time.clock() vs. time.time() accuracy?
...he function to use for
benchmarking Python or timing algorithms.
On Windows, this function returns wall-clock seconds elapsed since the
first call to this function, as a floating point number, based on the
Win32 function QueryPerformanceCounter(). The resolution is typically
better than...
How does this code generate the map of India?
... code sample you provided). The rest of the code simply loops through the bit sequence, converting the 1's and 0's to !'s and whitespace and printing one character at a time.
Less obfuscated version:
#include "stdio.h"
int main (void) {
int a=10, b=0, c=10;
char* bits ="TFy!QJu ROo TNn(RO...
How does python numpy.where() work?
...
10
Just to point out that numpy.where do have 2 'operational modes', first one returns the indices, where condition is True and if optional pa...
如何查看Android应用.apk是32位还是64位？ - App应用开发 - 清泛IT社区，为创新赋能！
...的子目录名称，这些名称代表了APK支持的架构。例如，arm64-v8a表示64位ARM架构，而armeabi-v7a表示32位ARM架构。
3）使用命令行工具：如果你喜欢使用命令行，可以使用如aapt这类工具来查看APK文件的信息，包括其支持的架构。
aa...
npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
...
Worked for me on Windows 10 64bit. Thank you!! :)
– XSYS
Dec 8 '16 at 8:06
4
...
How could I convert data from string to long in c#
...
long is internally represented as System.Int64 which is a 64-bit signed integer.
The value you have taken "1100.25" is actually decimal and not integer hence it can not be converted to long.
You can use:
String strValue = "1100.25";
decimal lValue = Convert.ToDecimal(strValue);
to ...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...
ElasticSearch uses a large 230MB of RAM on 64bit Ubuntu after a fresh install with no data. I really wish Elasticsearch could be run on smaller VPS like PostgreSQL or Redis.
– Xeoncross
Jan 2 '15 at 23:35
...
Difference between float and decimal data type
...iate for most business-oriented math, and inappropriate use of floats will bite you. Many decimal values can't be exactly represented in base-2. 0.1 can't, for instance, and so you see strange results like 1.0 - 0.1 = 0.8999999.
Decimals store base-10 numbers. Decimal is an good type for most busin...
Maximum number of threads in a .NET app?
...: .NET Thread Pool default numbers of threads:
1023 in Framework 4.0 (32-bit environment)
32767 in Framework 4.0 (64-bit environment)
250 per core in Framework 3.5
25 per core in Framework 2.0
(These numbers may vary depending upon the hardware and OS)]
...