e*****r
发帖数: 379 | 1 一个比较初级的问题：哪里可以找到 矢量图png 操作和识别的的程序文库library?-vs
.net or python都可以！ |
|
w***g
发帖数: 5958 | 2 貌似VC下有几种不同的编译模式:单线程静态, 多线程静态, DLL. 如果两个第三方libr
ary是在不同模式下编译的, 那么链接就可能出错. 不知道业界怎么解决这样的问题.
如果我要提供一个library, 是不是需要提供这三种模式的二进制文件?
VC还有别的若干编译选项, 比如是否加入调试信息, 不知道哪些选项会产生兼容性问题
.
这两天搞VC搞得一头雾水, 请班上的C++爷爷们指教一下. |
|
i***h
发帖数: 12655 | 3 工业界一般是用 POSIX
还是用专门的 C++ library 比如说 Boost Thread? |
|
m******n
发帖数: 155 | 4 Boost thread基本上就是给posix和windows的thread library写了一个统一的wrapper
啊。 |
|
y****e
发帖数: 23939 | 5 ACE 有很好的threading library，现成的framework，portability很好。 |
|
e*t
发帖数: 9 | 6 最近需要在 linux 64bit 下用 gcc 编译 c 程序。其中用到 math library，结果在
realse 5 的机器下编好的程序，在 release 4 下出错。我想在 release 5 下不使用
默认 -lm，而是指定一个兼容两个版本的库，不知行否？
我想在 gcc 里用
-l/my_dir/libm.so
这样对不对？
如果我想把数学库静态链接进去，该怎么写？新手急问，包子感谢！！！ |
|
r******9
发帖数: 129 | 7 在linux下g++ 编译通过
运行时出现
error while loading shared libraries: libboost_regex.so.1.42.0: cannot
open shared object file: No such file or directory
可是我这个文件的路径明明就在 makefile的-I 里面啊， 有谁知道是怎么回事？
谢谢 |
|
b*****y
发帖数: 178 | 8 boost不是lgpl，是自己的boost license, 我的理解是和bsd的差不多，可以用在
commercial的code里。
lgpl的,你说的lib是指dll的入口定义，那个是没问题，只要别是static library就行。
gpl的那个只要用到就要开源，it guy说的不对。 |
|
h****e
发帖数: 2125 | 9
if u do OOP u might want to use a C++ socket lib. I have used many socket
libraries and even written one of my own. it really depends upon what u
want to do: if u just do simple send/receive any lib would suffice, POCO
for example is really simple to use and has implemented many useful
applications like multithreaded TCP server. if u want an even-driven
distributed system u need to use ACE. if u need cross-platform u might
want to use boost::asio. if u want serialization/deserialization u can t... 阅读全帖 |
|
e********r
发帖数: 2352 | 10 在Linux下，需要查看一个已编译的程序所需要的library，请问用什么命令，谢谢哈. |
|
q********s
发帖数: 1032 | 11 准备写个小的工具，可以将扫描的书的黑边除掉，适合kindle或者pda看。由于margin
大小不一，很难直接用简单的crop工具。我看了一下，可用利用扫描图像的一些特征除
边。
有没有好的library推荐一下。
谢谢。 |
|
t******a
发帖数: 1200 | 12 这种基础设施，如果不开放源代码的化，基本没有价值，里面出个小security bug
或者碰上开发环境小升级时，有可能会折腾死人的。
互联网程序已经不是微软当年那种写个API,提供个二进制library供人下载就可以玩
转的时代了。 |
|
t******a
发帖数: 1200 | 13 No one will use such kind of underpinning libraries for serious
tasks without having full control of the source code in this
internet era, period.
even
native coded app on table/phone, better performance and less power
consumption. This is a distinct departure from past. |
|
m********a
发帖数: 1312 | 14 wxWidget/wxPython和qt都用过很多年。
以前qt商业版不免费，wxWidget有些优势。这几年qt lgpl了，似乎还是qt更成熟好用
些。
qt has similar look and feel under different platforms.
wxWidgets has platform native look and feel since it is a thin layer on top
of native widgets.
此外qt里面qt core之类与gui无关的跨平台library有时也挺有用。 |
|
i**p
发帖数: 902 | 15 I know C code can call member methods in the C++ library by using "extern C"
. Is it possible to call Class's constructor? How? |
|
|
g***l
发帖数: 2753 | 17 pure c (C89, no C99) code, not depends on any external library.
thanks. |
|
f**********w
发帖数: 93 | 18 最近在学习写soap server，请教大家有什么C++ soap library/framework 比较好的支
持SOAP development。
我的主要目的是在几个SOAP services之间通过tcp/ip交换soap message,service根据
soap header的信息能自动调用相应的handle method，最好比较容易上手，没有太复杂
的config setup。
我现在知道的有apache axis和gsoap。不知道有没有其他的选择， 有例子就更好了，
谢谢 |
|
G*****9
发帖数: 3225 | 19 I am creating *.SO files based on CPLEX ILOG Concert. However, this
technology is not officially supported on AIX and the main issue lies in
that g++ cannot link libraries right due to name mangling.
On IBM's bbs, people told me it is very challenging to use c++/ILOG Concert
on AIX. I want to try my luck here. |
|
k**********g
发帖数: 989 | 20 If you need to handle large data and your application (not OS) is 32-bit,
you will see memory fragmentation (in the form of premature "out-of-memory"
errors soon.)
When MATLAB calls a C extension, the C extension must return all its data (
states) as a MATLAB output variable. A C extension must not try to remember
its states via global variables because this can create hard-to-fix bugs.
Long-running and batch-processing applications involving MATLAB should
implement application checkpoints: http... 阅读全帖 |
|
w*s
发帖数: 7227 | 21 BTW, how's the performance of c++ code calling matlab library ?
i never used it so what to ask guru.
we have a hard requirement for performance for c++ real-time transactions,
so ...
also for statistical computation, any other good libs besides matlab ?
"
remember
MATLAB'
" |
|
B****S
发帖数: 597 | 22 如果将来能有规范的library出现，估计还是有前途的。 |
|
c*****t
发帖数: 1879 | 23 I wanted to add readline support to a command line app, but this program
could be run on machine without both libreadline and libncurses installed.
libreadline depends on libncurses to work.
If I do a dynamic link with these two libraries, the code would not run
on machines without either installed.
If I do dlopen on libreadline, it gave me error since it could not resolve
some global variables only found in libncurses.
Any ideas? |
|
W***o
发帖数: 6519 | 24 I am trying to write a user-level thread library in C. My strategy is to use
ucontext_t, signal, sigaction to support thread creation, initiation, join,
mutex, yield, cancel, and exit.
Without pre-emption, my code currently works with all the methods. But when
I try to add pre-emption support, the program seems running funny and
confusing. So I need to see some examples, better implemented in C.
I am new to C, and have only started C program from 20 days ago. I am
comfortable with using struct, ... 阅读全帖 |
|
s*****y
发帖数: 11 | 25 要类似 scipy 这样有一些特殊函数的 Scala/Java numerical library, 哪个最好？ |
|
p****m
发帖数: 59 | 26 试试看saddle 是个Scala的library 从pandas prototype过来的 |
|
h**********0
发帖数: 88 | 27 最近准备弄个推荐系统的东西，各位大神有什么用过觉得不错的machine learning的
Python
library吗？
随便搜了一下感觉好多，不像Java里的weka和mamhout一统江湖，有用过的来推荐一下吗 |
|
L******g
发帖数: 1371 | 28 I need a c++ library
a) multi platform(work both in windows and linux)
b) light, I just need several button and some grid.
c) stable.
d) easy to get started.
Any help is greatly appreciated. |
|
p****a
发帖数: 38 | 29 为什么要安装native library，你不用java来编Hadoop？
来。 |
|
a********e
发帖数: 78 | 30 假如想实现 entity recognition， relation extraction这些功能的话，除了GATE，
还有 哪些其它的open source library。 |
|
a9
发帖数: 21638 | 31 mfc是framework
libssl是library
懂了？
are |
|
d****i
发帖数: 4809 | 32 C/C++里面的library就是libxxx（libpthread, libevent, libssl, libuv...), Java
里面约等价的是jar，(rt.jar, ...)。其实研究一下历史就知道Java的jar的名字从
UNIX下的工具ar和tar而来，而UNIX下的ar就是C/C++ build libxxx的工具。而
framework则库的集合，是更大的单位。
are |
|
i**p
发帖数: 902 | 33 说C/C++ library 可以是个体的库函数，也可以是库函数的集合。
Java |
|
T*******x
发帖数: 8565 | 34 用library主要的程序流程控制在你。
用framework主要的程序流程控制在framework。
很多framework你用了之后，你自己的写程序中没有entry point。
are |
|
f******2
发帖数: 2455 | 35 说说盖房子：
library是砖头，你控制怎么用，在哪里用。
framework是房子的structure，控制你在哪里进一步摆砖头 |
|
i**p
发帖数: 902 | 36 说他新不是说几年老，而是相对于Library新。Microsoft就是善于新瓶装旧酒。 |
|
i**p
发帖数: 902 | 37 今年发布的lib也还是叫Library，概念没变。 |
|
w****6
发帖数: 796 | 38 没错
design patterns 里说法是：
library: you call it
framework: it calls you |
|
|
p*u
发帖数: 2454 | 40 大概看了看，就是从Chromium的底层library里面提取出来的，没啥新鲜东西。 |
|
|
发帖数: 1 | 42 SOAP早就过时了, 还是考虑REST吧
library |
|
y**l
发帖数: 90 | 43 Who has The Engineering and Scientific Subroutine Library (ESSL). I
need some codes:
DGEF - General Matrix Factorization
DGES - General Matrix Solver
SCRFT/DCRFT - Complex to Real Forier Transform
SRCFT/DRCFT - Real to Complex Fourier Transform
Or if you have those codes. Thank you very much! |
|
P****r
发帖数: 140 | 44 due to the NIS service, i can not install
the gcc in the /usr/local as usual,
so it was installed in /opt/sfw
when i tried to complie the DDD, ( ./configure had no question)
i got the error message "fatal error: can not find libncurses.so.4"
i could find this file in /opt/sfw/lib
but the ./configure cannot work this path out
i remembered that there is something like "libpath" in the file
.cshrc,
can any DaXia help me how to set the path of library in the .cshrc
or anything else?
thanks million |
|
p******s
发帖数: 938 | 45 【 以下文字转载自 Programming 讨论区 】
【 原文由 phageous 所发表 】
要在UNIX下写一user level的thread library，得能实现monitor的功能，
比如mutex_lock(mutex_t *mutex), cond_signal(cond_t *cond)等，
现在有如下问题：
因为需要建立一批queue,如ready queue, cond queue, lock queue等。
请问怎样保存访问这些queue的指针？因为如cond_signal之类的函数是void的，
而且只有cond_t *cond这一个参数。ready queue该如何创建？
在monitor里的函数怎么访问这些queue? |
|
C****n
发帖数: 2324 | 46 SHIT, I can't link.
I use CC myprogram.cc,
I got error because "gethostbyname" can't be find.
I include the "netdb.h", but what's the library should I link to?
I tried
CC myprogam.cc -lsocket
won't work.
Thanks. |
|
p**v
发帖数: 853 | 47 【 以下文字转载自 Linux 讨论区,原文如下 】
发信人: parv (bugs), 信区: Linux
标 题: CXTERM5.2的编译问题，LIBRARY如何设置？谢了先！
发信站: The unknown SPACE (Thu Aug 15 20:36:28 2002) WWW-POST
Red Hat 7.3, cxterm5.2.2
configure中有如下两行：
x_includes=NONE
x_libraries=NONE
我未做改动，运行./configure后有如下的信息：
checking for main in -lFS... (cached) no
checking for main in -lGL... (cached) yes
checking for main in -lX11... (cached) no
checking for main in -lXmu... (cached) no
checking for main in -lXmuu... (cached) no
等等。。。。。
生成了相应的config.h,但是在"make"时出错 |
|
b**l
发帖数: 41 | 48 I am having apache server under solaris, in a CGI in C, using
1. system ("cd /my/program/ ; make")；---> to generat A(executable) from A.cc,
it works
2. system ("cd /my/program/; A"); ------> want to get A executed, but can
not, and the return value of the 2nd system call is 35072,(1st is 0) dont know
what it stands for. check the error_log of apache server, it keeps on saying
some library can not be found, but i dont think it is because of this, the 2nd
system call cant work, since if I type "c |
|
h****u
发帖数: 277 | 49 suppose the .a file is libxxx.a
then -lxxx
use nm to find out which library contains the function you needed. But I think
a better way is to find the manual of lapack.
PS. I do not use lapack.
换 |
|
f******e
发帖数: 582 | 50 I can read Chinese news from Windows 7. I'd like to disable this feature. So
I'd like to remove the Chinese Font Library from Windows 7.
How should I do this? Thanks a lot. |
|
