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How do I edit /etc/sudoers from a script?
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12 Answers
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How to display default text “--Select Team --” in combo box on pageload in WPF?
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108
The easiest way I've found to do this is:
<ComboBox Name="MyComboBox"
IsEditable="True"
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Why is there a difference in checking null against a value in VB.NET and C#?
...omparable expressions 5==null and 5!=null only the second first [updated 2014-03-02 - PG] returns false. However, in ANY environment that supports null, it is incumbent on the programmer to know the truth tables and null-propagation used by that language.
Update
Eric Lippert's blog articles (menti...
Dark theme in Netbeans 7 or 8
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Darcula
UPDATE 2016-02: NetBeans 8 now has a Darcula plugin, better and more complete than the alternatives discussed in old version of this Answer.
The attractive and productive Darcula theme in JetBrains IntelliJ is now available in NetB...
Xcode 5 & Asset Catalog: How to reference the LaunchImage?
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With ng-bind-html-unsafe removed, how do I inject HTML?
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How to detect the physical connected state of a network cable/connector?
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Creating an R dataframe row-by-row
...code in R.
If you can, allocate your entire data.frame up front:
N <- 1e4 # total number of rows to preallocate--possibly an overestimate
DF <- data.frame(num=rep(NA, N), txt=rep("", N), # as many cols as you need
stringsAsFactors=FALSE) # you don't know levels y...
How do you use an identity file with rsync?
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eval $(ssh-agent) # Create agent and environment variables
ssh-add ~/.ssh/1234-identity
ssh-agent is a user daemon which holds unencrypted ssh keys in memory. ssh finds it based on environment variables which ssh-agent outputs when run. Using eval to evaluate this output creates the environment...