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Can you change what a symlink points to after it is created?
...wxrwxrwx 1 pascal pascal 7 2009-09-23 17:12 test -> .bashrc
$ ln -s .profile test
ln: creating symbolic link `test': File exists
$ ln -s -f .profile test
$ ls -al test
lrwxrwxrwx 1 pascal pascal 8 2009-09-23 17:12 test -> .profile
EDIT: As the OP pointed out in a comment, using the --force o...
Counting Line Numbers in Eclipse [closed]
I have a Java project in Eclipse with ~10 packages and ~10 class files per package. Is there a way to determine total lines of code for the whole project from within Eclipse? I am familiar with other tools (e.g., Code Analyzer, wc, etc.) but I want to know if there is a way to do this within Eclip...
How to run multiple Python versions on Windows
... the %PATH% environment variable, checking for an executable, either batch file (.bat), command file (.cmd) or some other executable to run (this is controlled by the PATHEXT environment variable), that matches the name given. When it finds the correct file to run the file is being run.
Now, if you...
How can I change the language (to english) in Oracle SQL Developer?
...
Try to set user.language and user.country properties in sqldeveloper.conf file located in sqldeveloper\bin folder (%APPDATA%\sqldeveloper\<version>\product.conf for more recent versions) .
Sample for set french language:
IncludeConfFile ../../ide/bin/ide.conf
SetJavaHome D:\jdk1.6.0_25
Add...
`require': no such file to load — mkmf (LoadError)
...o apt-get install ruby-dev
should fix it.
Try locate mkmf to see if the file is actually there.
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Custom domain for GitHub project pages
...ch on your repo):
From your project repo, gh-pages branch. Create a CNAME file with the contents yourdomain.com. Commit then push.
In your DNS manager, setup two cname records. One for the root apex (@) and one for www. Both point to YOURusername.github.io. If your DNS provider does NOT support A...
How can I make my flexbox layout take 100% vertical space?
... question time , not anymore */
}
<div class="wrapper">
<div id="row1">this is the header</div>
<div id="row2">this is the second line</div>
<div id="row3">
<div id="col1">col1</div>
<div id="col2">col2</div>
...
Using union and order by clause in mysql
...rting by your other criteria, e.g.:
select *
from (
select 1 as Rank, id, add_date from Table
union all
select 2 as Rank, id, add_date from Table where distance < 5
union all
select 3 as Rank, id, add_date from Table where distance between 5 and 15
) a
order by rank, id, add...
What should I do if two libraries provide a function with the same name generating a conflict?
...le to modules linking to the library---equivalent to the extern keyword at file scope. How this is controlled is OS and linker dependent. And it is something I always have to look up.
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How to fix 'sudo: no tty present and no askpass program specified' error?
I am trying to compile some sources using a makefile. In the makefile there is a bunch of commands that need to be ran as sudo .
...