Original link: http://blog.csdn.net/yhawaii/article/details/7435918In the Finder, the default is not to display the/USR,/tmp,/var and other hidden directories, by entering a command in the terminal to display it:Defaults write Com.apple.Finder appleshowallfiles YESThen you need to restart the Finder, the simplest way is ALT + right click the Finder icon at the bottom of the screen and select "Re-open".How to display hidden directories such as/
/usr/lib/python2.7/site-packages/requests/__init__. PY:91:REQUESTSDEPENDENCYWARNING:URLLIB3 (1.22) or Chardet (2.2.1) does not match supported versions! requestsdependencywarning)Solution, Sanction urllib3 and chardetsudo pip uninstall urllib3sudo pip Uninstall Chardet Then, then install sudo pip uninstall requestslook forward to your joining, learning together, and progressing together:python| Test | technology QQ Group: 563227894python| Test | tech
1. On the Linux PC, this problem is easy to solve, download a high version of the libstdc++so.6.0.x copy to the/usr/lib, soft connect a bit better
Ln-s libstdc++.so.6.0.x libstdc++.so.6
2. However, the implementation of the executable file on the ARM board appears as the above problems, if the same as the PC on the PC directly to the high version of the file copied to the arm file system Soft connection is not possible
Let's take a look at the caus
Today I saw a great God's SSH Key distribution script, in which he had a ssh-copy-id-o stricthostkeychecking=no-i ~/.ssh/id_rsa.pub root@ $ip in his shell script, and after I executed, I reported/ Usr/bin/ssh-copy-id:error:no identities found, and then on the Internet to find the next-o stricthostkeychecking=no the meaning of the original is mandatory do not check key, But Ssh-copy-id I can not use here, so in the end I can only remove-o stricthostkey
Recently downloaded the installation successfully opencv-3.1.0, want to use g++ compile a routine, the results appear title The bug, looked up some sites, did not get resolved, and finally combined with the various claims, the following solutions (personally tested):
First enter the following directory:
opencv-3.1.0/3rdparty/ippicv/downloads/linux-808b791a6eac9ed78d32a7666804320e/
then ippicv_linux_ the inside of the compression pack 20151201.tgz extract out to get ippicv_lnx, and finally i
In the Finder, the default is not to display the/USR,/tmp,/var and other hidden directories, by entering a command in the terminal to display it:# Open defaults write Com.apple.Finder appleshowallfiles YES # Close defaults write Com.apple.Finder appleshowallfiles NOThen you need to restart the Finder, the simplest way is ALT + right click the Finder icon at the bottom of the screen and select "Re-open".Mac shows hidden directories such as/
Mysqldumpslow:Died at/usr/local/mysql/bin/mysqldumpslow line 161,
Conclusion: The number of top jobs is too large, and mysqldumpslow cannot be traversed.
/Usr/local/mysql/bin/mysqldumpslow-s-t 15/root/db01-102-slow.log
1. Try removing r and report an error. The parameter is not recognized.
[Root @ slave] #/usr/local/mysql/bin/mysqldumpslow-s-t 15/root/db01-102-
This article mainly introduced the Linux system prompts the/usr/bin/ld:cannot find-lxxx error The general solution, this article takes Ubuntu as an example to give a solution example, other Linux system also applies, the need friend may refer to the next
The source code that compiles the application or LIB in the Linux environment often appears with the following error message:
Copy code code as follows:
/usr
Follow the steps below to achieve a successful, pro-Test. Reprint, take notes.Compiled php-5.5-6 MySQL support, appeared cannot find MySQL header files Under/usr/include/mysql. Note that the MySQL client library isn't bundled anymore! error! Here's how to fix it:[Email protected] php-5.5.6]#/configure--prefix=/usr/local/php--with-config-file-path=/usr/local/php/e
Problem:
The source code that compiles the application or LIB in the Linux environment often appears with the following error message:
/usr/bin/ld:cannot find-lxxx
These messages have different results as they compile different types of source code:
/usr/bin/ld:cannot Find-lc/usr/bin/ld:cannot Find-lltdl/usr/bin/ld:can
An error occurred while compiling PHP5.2.6 on 64-bit Red Hat Enterprise Linux AS release 4.7. mysql was installed using RPM. The PHP compilation code is AS follows:
. /Configure -- prefix =/usr/local/php -- with-mysql -- with-apxs2 =/usr/local/apache/bin/apxs -- with-openssl -- with-curl -- enable-xml -- with-mcrypt -- with-ttf -- enable-magic-quotes -- enable-fastcgi -- enable-mbstring -- with-iconv -- ena
1. Usually when we write programs in Pycharm, we write #!/usr/bin/env python on the first line.Such as:#! /usr/bin/env Python3#-*-coding:utf-8-*-#Author xiaoxingPrint ("Hello world!")The purpose here is to tell the operating system to invoke the Python interpreter when executing this script, in addition to preventing the operating system user from not loading python into the default /
A 32-bit system or program is typically the following error:/usr/lib/libstdc++.so.6:version ' glibcxx_3.4.15 ' not foundThe following URLs provide workarounds for 32-bit systems:Http://www.cnblogs.com/yingsi/p/3290958.htmlThe main contents are as follows: here reprint to prevent the future URL changes can not be found.
Download new version, address: Http://ftp.de.debian.org/debian/pool/main/g/gcc-4.7/libstdc++6_4.7.2-5_i386.deb Assume that
#!/usr/bin/pythonSpecify what interpreter to use to run the script and where the interpreter is located#-*-Coding:utf-8-*-Used to specify that the file is encoded as Utf-8.PEP 0263--defining Python Source Code encodingshttp://www.python.org/dev/peps/pep-0263/It's an estimated that a lot of people have noticed that some Python scripts have this line at the beginning:#!/usr/bin/pythonWhat does it do for you?
Usr/bin/ld:cannot Find-lxext appears when compiling qt/x11. Finally, refer to the following article to resolve the problem, my solution is to install the Libext-dev, and then continue to make
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The Usr/bin/ld:cannot find-lxxx error that usually occurs during software compilation is
Linux/usr/bin/ldcannotfind solves the problem: when compiling an application or lib sourcecode in linux, the following error message is often displayed:/usr/bin/ld: cannotfind-lxxx, these messages will vary with the compilation of different types of sourcecode... linux/usr/bin/ld cannot find solves the problem: the following error message often appears when compi
Missing/usr/include and macusrinclude in Mac
After the Mac is upgraded to Yosemite, it suddenly finds that the prompt code of the YouCompleteMe check in vim is poor. After troubleshooting, it turns out that the/usr/include folder is missing, all C/C ++ header files are missing...
I found this problem for the first time. I don't know if/usr/include will be deleted
When compiling software such as log4cxx produced by Apache or Apache, the error "/usr/lib/libexpat. So: cocould not read symbols: file in wrong format" may be reported.
This problem occurs mainly because of the libexpat compatibility, especially for the 64bit servers. Currently, the new server uses 64-bit, but the default/usr/lib/library is 32-bit. The 64-bit library is in the/
Problem:
You can see this parameter in many places, suchText (PAR ("USR") [1] + 5, par ("USR") [4] + 12, "NBA per game performance of top 50 corers ", XPD = true, font = 2, cex = 1.5)
Answer:
Once a plot has been created, par ("USR") returns a vector with the extreme coordinates of the user's plow.region. these can be used to place text and legends into a corner
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