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Replace a value if null or undefined in JavaScript
...ment to apply the ?? C# operator to JavaScript and I don't know how.
Consider this in C#:
5 Answers
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Coloring white space in git-diff's output
...don't know of a way to permanently turn this on and store this in config aside from using an alias:
git config alias.df 'diff --ws-error-highlight=all'
Now you can use:
git df <file>
To see the changes in red.
Note that with Git 2.11 (Q4 2016), this alias might be replaced with:
git conf...
What is the difference between an Azure Web Site and an Azure Web Role
... answered Jun 8 '12 at 0:06
David MakogonDavid Makogon
62.8k1717 gold badges121121 silver badges170170 bronze badges
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Set focus on textbox in WPF
...ange the focus after the page has been built, you need to do it programmatically.
– Joe Steele
Mar 20 '19 at 0:47
this...
How do I copy folder with files to another folder in Unix/Linux? [closed]
... directory you are trying to copy.
If the directory you're copying is called dir1 and you want to copy it to your /home/Pictures folder:
cp -r dir1/ ~/Pictures/
Linux is case-sensitive and also needs the / after each directory to know that it isn't a file. ~ is a special character in the te...
How to convert numbers between hexadecimal and decimal
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@VadymStetsiak Convert.ToInt32 just calls Int32.Parse (int.Parse) (face palm)
– Cole Johnson
Nov 14 '12 at 2:07
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I can't install python-ldap
...in order to compile the Python module. If you're on Ubuntu, the package is called libldap2-dev.
Debian/Ubuntu:
sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev
RedHat/CentOS:
sudo yum install python-devel openldap-devel
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You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
....7'
on Gemfile, which was not there, but my new version of rails automatically install rake(0.9.0).
after I had delete rake0.9.0 by gem uninstall rake
and after doing bundle update rake , I can create and migrate database.
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AttributeError: 'module' object has no attribute 'tests'
...gt; from app.model.notification import Notification
Traceback (most recent call last):
File "<console>", line 1, in <module>
ImportError: No module named model.notification
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Git: which is the default configured remote for branch?
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Wouldn't this also be set if the OP did git pull hub master?
– Ryan Bigg
Jan 31 '11 at 10:46
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