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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
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Also, you can rvm list known in order to see the available ruby versions that you can upgrade to.
– James Chevalier
Apr 20 '12 at 13:47
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git: abort commit in the middle of typing message
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Yes it's possible. In order to commit, your editor MUST write the commit message to the file .git/COMMIT_EDITMSG and exit with a 0 status code.
So if you're using VI/VIM, you may want to do the following...
Write your commit message.
Save the c...
How to index into a dictionary?
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Dictionaries are unordered in Python versions up to and including Python 3.6. If you do not care about the order of the entries and want to access the keys or values by index anyway, you can use d.keys()[i] and d.values()[i] or d.items()[i]. ...
How to send a JSON object using html form data
...bject, using only html, there's a way. In some server side frameworks like PHP you can write the follow code:
<form action="myurl" method="POST" name="myForm">
<p><label for="first_name">First Name:</label>
<input type="text" name="name[first]" id="fname"&...
What are the differences between delegates and events?
...n templates; that is, they express a contract a function must adhere to in order to be considered of the "type" of the delegate.
Events represent ... well, events. They are intended to alert someone when something happens and yes, they adhere to a delegate definition but they're not the same thing....
How to Create Grid/Tile View?
...ntainer
#flex-container {
display: flex;
flex-flow: column wrap;
}
Reorder the elements, so that the DOM order is respected horizontally instead of vertically. For example, if you want 3 columns,
#flex-container > :nth-child(3n + 1) { order: 1; } /* 1st column */
#flex-container > :nth-...
Setting unique Constraint with fluent API?
...t type unique key combination:
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 1)]
public int UniqueKeyIntPart1 { get; set; }
[Index("IX_UniqueKeyInt", IsUnique = true, Order = 2)]
public int UniqueKeyIntPart2 { get; set; }
If the data type is string, then MaxLength attribute must be added:
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Difference between clustered and nonclustered index [duplicate]
...mn(s). It is like a dictionary, where all words are sorted in alphabetical order in the entire book.
A non-clustered index, on the other hand, does not alter the way the rows are stored in the table. It creates a completely different object within the table that contains the column(s) selected for...
List of all index & index columns in SQL Server DB
... = 0
AND ind.is_unique_constraint = 0
AND t.is_ms_shipped = 0
ORDER BY
t.name, ind.name, ind.index_id, ic.is_included_column, ic.key_ordinal;
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
...ighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists of Strings it would be something like:
public boolean equalLists(List<String> one, List<String> tw...