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Difference between var_dump,var_export & print_r
What is the difference between var_dump , var_export and print_r ?
2 Answers
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Git stash pop- needs merge, unable to refresh index
...y stash because I merged a branch which apparently conflicts with my stash and now my stash is seemingly unable to be popped.
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How to do exponentiation in clojure?
...ell: I'd recommend using this rather than going via Java interop since it handles all the Clojure arbitrary-precision number types correctly. It is in namespace clojure.math.numeric-tower.
It's called expt for exponentiation rather than power or pow which maybe explains why it's a bit hard to find ...
Calculating arithmetic mean (one type of average) in Python
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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How do I change the default author and committer in the Eclipse Git plugin?
I am using the Git plugin for Eclipse. I have several authors and committers which are displayed when I start typing in those fields.
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Ruby - elegantly convert variable to an array if not an array already
...ent, or nil, obtain an array - the latter two being a single element array and an empty array respectively.
10 Answers
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Change EOL on multiple files in one go
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The Replace dialog can handle extended characters like EOL. Just change "Search Mode" to "Extended", and you can work with EOL (\r\n in Windows or \n in Unix), tabs (\t), etc.
You can also use the Find in Files tab of the dialog to do the replac...
Does a valid XML file require an XML declaration?
...ere it says it "should" be used -- which means it is recommended, but not mandatory. In XML 1.1, however, the declaration is mandatory. See section 2.8 of the XML 1.1 Recommendation, where it says "MUST" be used. It even goes on to state that if the declaration is absent, that automatically implies ...
Dropping Unique constraint from MySQL table
... @Ankur Mukherjee: I forgot to mention: You have to change tbl_name and index_name to the name of your actual table and the name of the actual index, respectively. You can see the names in MySQL Query Browser. You can also do SHOW CREATE TABLE tbl_name.
– Mark Byers
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What generates the “text file busy” message in Unix?
... Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
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