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How do you execute an arbitrary native command from a string?
I can express my need with the following scenario: Write a function that accepts a string to be run as a native command.
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Can a Windows batch file determine its own file name?
Can a Windows batch file determine its own file name?
6 Answers
6
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What is the fastest substring search algorithm?
..., the better with longer inputs. With very short needles, brute force may win.
Edit:
A different algorithm might be best for finding base pairs, english phrases, or single words. If there were one best algorithm for all inputs, it would have been publicized.
Think about the following little tab...
How to get users to read error messages?
...always miss them! No matter how hard you'll try... At one stage during the Win 95 UI testing before it was launched, MS carried out an experiment to read the UI (ed - it should be noted that the message explicitly stated in the context of 'Look under the chair'), with a $100 dollar bill taped to the...
What's the point of OOP?
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I think the use of opaque context objects (HANDLEs in Win32, FILE*s in C, to name two well-known examples--hell, HANDLEs live on the other side of the kernel-mode barrier, and it really doesn't get much more encapsulated than that) is found in procedural code too; I'm struggling...
How to exclude certain directories/files from git grep search
...s there a solution to this (w/o having to emply sed myself) ? [git bash on win7]
– elonderin
Sep 26 '17 at 17:15
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Override compile flags for single files
...-Wno-effc++ after -Weffc++ in the compiler command, and the latter setting wins. To see the full command and check that this is indeed the case, you can do
make VERBOSE=1
As an aside, one of the maintainers of the GNU C++ Standard Library presents a pretty negative opinion on -Weffc++ in this an...
Structs versus classes
...heap space than stack space, so putting things on the stack isn't always a win. Besides which, a list of struct-types and a list of class-types will be on the heap either way, so this is irrelevant in this case.
Edit:
I'm beginning to consider the term evil to be harmful. After all, making a class...
How to find out the number of CPUs using python
...iprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python:
import os
import re
import subprocess
def available_cpu_count():
""" Number of available virtual or physical CPUs on this system, i...
Why do people say that Ruby is slow? [closed]
...per cycles and am willing
to trade the former for the latter.
i.e. throwing more hardware or machines at the problem is cheaper than hiring more developers and using a faster, but harder to maintain language. After all, few people write web applications in C.
Ruby 1.9 is a vast improvement over...