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Call by name vs call by value in Scala, clarification needed
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frhack
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answered Nov 12 '12 at 1:40
dhgdhg
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Difference between this and self in self-type annotations?
...n javascript]
– Ustaman Sangat
Jul 13 '13 at 15:20
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Convert command line arguments into an array in Bash
...nto the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
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SQL how to increase or decrease one for a int column in one command
...gahooagahooa
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32
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Parcelable where/when is describeContents() used?
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Mithun
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answered Feb 6 '11 at 17:09
OgnyanOgnyan
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Select the values of one property on all objects of an array in PowerShell
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answered Mar 3 '11 at 5:15
Scott SaadScott Saad
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What is the default form HTTP method?
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173
It's GET.
Take a look W3C Superceded Recommendation 17.3 The FORM element.
Excerpt:
<!ATT...
How do I convert from stringstream to string in C++?
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edited Sep 15 '19 at 13:10
Ayxan Haqverdili
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Creating a simple XML file using python
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314
These days, the most popular (and very simple) option is the ElementTree API,
which has been i...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_nam...