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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... can lead to strange bugs, for example:
Losing most significant bits for 64bit integers when binding as PDO::PARAM_INT ( 0x12345678AB will be cropped to 0x345678AB on 64bit machine )
Inability to make simple queries like LOCK TABLES ( it throws SQLSTATE[HY000]: General error: 2030 This command is ...
Performance differences between debug and release builds
...Release build version of your program. It does happen however. Both the x64 and the x86 jitters have had problems with structs. The x86 jitter has trouble with floating point consistency, producing subtly different results when the intermediates of a floating point calculation are kept in a FPU r...
Installing SciPy and NumPy using pip
... To install BLAS and LAPACK you need to run yum install lapack-devel.x86_64 blas-devel.x86_64
– Max L
Apr 5 '16 at 11:27
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How to reformat JSON in Notepad++?
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A 64-bit version can be downloaded directly from here: notepad-plus-plus.org/community/topic/13064/…
– brentlightsey
Aug 14 '17 at 21:20
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user authentication libraries for node.js?
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TomTom
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How to get Chrome to allow mixed content?
... You can enable it, but you can't disable it. Google Chrome Version 48.0.2564.116 (64-bit)
– user3439968
Oct 6 '17 at 0:03
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Windows can't find the file on subprocess.call()
...cated in C:\Windows\System32\ while running a 32bit version of python on a 64bit machine is a potential issue, due to Windows trying to out-smart the process, and redirect calls to C:\Windows\System32 to C:\Windows\SysWOW64.
I found an example of how to fix this here:
http://code.activestate.com/re...
Find where python is installed (if it isn't default dir)
...ff:
$ python
Python 2.6.6 (r266:84297, Aug 24 2010, 18:13:38) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.executable
'c:\\Python26\\python.exe'
>>> sys.exec_prefix
'c:\\Python26'
>&g...
Int division: Why is the result of 1/3 == 0?
...at least one operand of type long, then the operation is carried out using 64-bit precision, and the result of the numerical operator is of type long. If the other operand is not long, it is first widened (§5.1.5) to type long by numeric promotion (§5.6).
And an example is always the best way t...
6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
...ne ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define _____ __ ___ ____ _________
#include<stdio.h>
_____
hello2.c
#include<stdio.h>
main(){
int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D;
*(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(...