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*.h or *.hpp for your class definitions
...ss definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it.
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Get selected value in dropdown list using JavaScript
...options[e.selectedIndex].value;
Would make strUser be 2. If what you actually want is test2, then do this:
var e = document.getElementById("ddlViewBy");
var strUser = e.options[e.selectedIndex].text;
Which would make strUser be test2
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Compile time string hashing
... string length, and the compiler is not clever enough to elide the second call. Check other answers for possible fix for this problem.
– CygnusX1
Feb 27 '16 at 16:34
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What is a memory fence?
...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
Python logging: use milliseconds in time format
...d of a struct_time, then (at least with modern versions of Python) we can call ct.strftime and then we can use %f to format microseconds:
import logging
import datetime as dt
class MyFormatter(logging.Formatter):
converter=dt.datetime.fromtimestamp
def formatTime(self, record, datefmt=None...
Is it possible to clone html element objects in JavaScript / JQuery?
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Too bad you lose all attributes :/
– Pieter De Bie
Sep 23 '19 at 12:49
add a comment
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How can I add additional PHP versions to MAMP
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Found a quick fix in the MAMP forums.
Basically it seems MAMP is only allowing 2 versions of PHP to show up. Quick fix, rename the folders you're not bothered about using, for me this meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 ...
What does numpy.random.seed(0) do?
... I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
C++及Windows异常处理(try，catch; __try,__finally, __except)C++及Windows异常处理(try，catch; __try,__finally; __try, __except)一道笔试题引起的探究题目：
int* p = 0x00000000; // pointer to NULL
puts( "hello ");
__try{
puts( "in try ...
How to generate keyboard events in Python?
...om ctypes import wintypes
import time
user32 = ctypes.WinDLL('user32', use_last_error=True)
INPUT_MOUSE = 0
INPUT_KEYBOARD = 1
INPUT_HARDWARE = 2
KEYEVENTF_EXTENDEDKEY = 0x0001
KEYEVENTF_KEYUP = 0x0002
KEYEVENTF_UNICODE = 0x0004
KEYEVENTF_SCANCODE = 0x0008
MAPVK_VK_TO_VSC = 0
# ...