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What's best SQL datatype for storing JSON string?
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TEXT, NTEXT: those types are deprecated as of SQL Server 2005 and should not be used for new development. Use VARCHAR(MAX) or NVARCHAR(MAX) instead
IMAGE, VARBINARY(MAX) : IMAGE is deprecated just like TEXT/NTEXT, and there's really no point in storing a text string into a binary column....
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How do I increase the number of displayed lines of a Java stack trace dump?
... there a way to make Throwable.printStackTrace(PrintStream s) print the full stack trace, so that I can see beyond the final line of "... 40 more" ?
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How to ignore whitespace in a regular expression subject string?
...ay to ignore the white space in a target string when searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and end index of the matc...
How to create a temporary directory?
I use to create a tempfile , delete it and recreate it as a directory:
4 Answers
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How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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What is the meaning of polyfills in HTML5?
...hat is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, e.g. HTML5-Cross-Browser-Polyfills.
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What is the difference between 'java', 'javaw', and 'javaws'?
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See Java tools documentation for:
java command1/javaw command2
The java tool launches a Java application. It does this by starting a Java runtime environment, loading a specified class, and invoking that class's main method.
The javaw comm...
How can I check that a form field is prefilled correctly using capybara?
I have a field with a proper label that I can fill in with capybara without a problem:
4 Answers
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What does “atomic” mean in programming?
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Here's an example, because an example is often clearer than a long explanation. Suppose foo is a variable of type long. The following operation is not an atomic operation:
foo = 65465498L;
Indeed, the variable is written using two separate opera...
How can I create a correlation matrix in R?
...x2=rnorm(10),
x3=rnorm(10))
cor(d) # get correlations (returns matrix)
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