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What are the use(s) for tags in Go?
...hday *time.Time
Email string `gorm:"type:varchar(100);unique_index"`
Role string `gorm:"size:255"` // set field size to 255
MemberNumber *string `gorm:"unique;not null"` // set member number to unique and not null
Num int `gorm:"AUTO_INCREMENT"` // set num t...
How to communicate between iframe and the parent site?
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We can even use window.frames[index] to get child frame (<iframe>, <object>, <frame>), equivalent to getElementsByTagName("iframe")[index].contentWindow. To get Parent Window Object from IFrames, it is better to use window.parent, as win...
How can I group data with an Angular filter?
...r
(2) Include angular-filter.js (or angular-filter.min.js) in your index.html, after including Angular itself.
(3) Add 'angular.filter' to your main module's list of dependencies.
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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How to clear the cache in NetBeans
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NetBeans 7.2+, Linux
Cache is at: ~/.cache/netbeans/${netbeans_version}/index/
Mac OS X
Cache is at: ~/Library/Caches/NetBeans/${netbeans_version}/
See also http://wiki.netbeans.org/FaqWhatIsUserdir.
Help Menu
On Windows, selecting the Help » About menu will display a dialog that contains t...
What is the result of % in Python?
...ience. It is also used to wrap around arrays, allowing you to increase the index and use the modulus to wrap back to the beginning after you reach the end of the array.
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How do I check if an index exists on a table field in MySQL?
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Use SHOW INDEX like so:
SHOW INDEX FROM [tablename]
Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...ror message says that if you're passing scalar values, you have to pass an index. So you can either not use scalar values for the columns -- e.g. use a list:
>>> df = pd.DataFrame({'A': [a], 'B': [b]})
>>> df
A B
0 2 3
or use scalar values and pass an index:
>>>...
Check if a Bash array contains a value
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That said, you can use an indexed for loop and avoid getting killed when an array element contains IFS: for (( i = 0 ; i < ${#array[@]} ; i++ ))
– mkb
Sep 10 '10 at 15:45
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Elastic Search: how to see the indexed data
I had a problem with ElasticSearch and Rails, where some data was not indexed properly because of attr_protected. Where does Elastic Search store the indexed data? It would be useful to check if the actual indexed data is wrong.
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