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Can't su to user jenkins after installing Jenkins
I've installed jenkins and I'm trying to get into a shell as Jenkins to add an ssh key. I can't seem to su into the jenkins user:
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How does @synchronized lock/unlock in Objective-C?
Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then?
5 Answers
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Does making a struct volatile make all its members volatile?
If I have:
2 Answers
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Do you need break in switch when return is used?
I was wondering if I need to use "break" in "switch" function when "return" is used.
7 Answers
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How can you escape the @ character in javadoc?
How can I escape the @ symbol in javadoc? I am trying to use it inside a {@code} tag, which is inside <pre> tags.
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Search in all files in a project in Sublime Text 3
Is there a way to search for a string in all files inside a project in Sublime Text 3? The string is not a method.
5 Answer...
PHP Timestamp into DateTime
Do you know how I can convert this to a strtotime, or a similar type of value to pass into the DateTime object?
4 Answer...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
I am trying to write a Pandas dataframe (or can use a numpy array) to a mysql database using MysqlDB . MysqlDB doesn't seem understand 'nan' and my database throws out an error saying nan is not in the field list. I need to find a way to convert the 'nan' into a NoneType.
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Turning Sonar off for certain code
Is it possible to turn off sonar ( www.sonarsource.org ) measurements for specific blocks of code, which one doesn't want to be measured?
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Select distinct values from a table field
I'm struggling getting my head around the Django's ORM. What I want to do is get a list of distinct values within a field on my table .... the equivalent of one of the following:
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