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Equivalent of strace -feopen < command > on mac os X
...day, sudo dtruss doesn't work for me. It's as if Python is not executed at all!
– Dima Tisnek
Jul 18 '13 at 14:27
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How to best position Swing GUIs?
...bles a native window shown without programmatically setting its location. Most windowing systems cascade windows if their locations are not explicitly set. The actual location is determined once the window is shown on the screen.
Have a look at the effect of this example that puts 3 GUIs into the...
How the single threaded non blocking IO model works in Node.js
...ks.
After I read the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
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How to request Administrator access inside a batch file
...s method doesn't forward arguments. Do you know How that can be done? Basically what I observe is that on the first line %1 has some value and on the last line %1 is null. I need to forward the arguments.
– prongs
Jan 11 '13 at 11:54
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Doing something before program exit
...t this works great for normal termination of the script, but it won't get called in all cases (e.g. fatal internal errors).
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How can I create directory tree in C++/Linux?
...C++ compilers.
/*
@(#)File: mkpath.c
@(#)Purpose: Create all directories in path
@(#)Author: J Leffler
@(#)Copyright: (C) JLSS 1990-2020
@(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10
*/
/*TABSTOP=4*/
#include "posixver.h"
#include "mkpath.h"
#include "emalloc...
Why I cannot cout a string?
...-defined <xstring> header (never include that directly)). While that allows you to use the string class, the relevant operator<< is defined in the <string> header itself, so you must include that manually. Also relying on other headers to indirectly include the definition of std::b...
Finding Number of Cores in Java
...ly available to the JVM (at startup I guess). Using CPU affinity the user/OS can restrict the number of "cores" a JVM sees. You can even do it on a running JVM but I'm not too sure how this influence availableProcessors().
– SyntaxT3rr0r
Jan 21 '11 at 16:17
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psql: could not connect to server: No such file or directory (Mac OS X)
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WARNING: If you delete postmaster.pid without making sure there are really no postgres processes running you, could permanently corrupt your database. (PostgreSQL should delete it automatically if the postmaster has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everyt...
Proper stack and heap usage in C++?
...n programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap.
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