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Add subdomain to localhost URL
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
...
What are deferred objects?
...xisting ajax() method callbacks can be chained rather than declared in the settings:
var jqxhr = $.ajax({ url: "example.php" })
.success(function() { alert("success"); })
.error(function() { alert("error"); })
.complete(function() { alert("complete"); });
Working Example From Eric Hynd...
Count the items from a IEnumerable without iterating?
...s existence) were to support additional information, C# would likely get a set yield options statement or something similar to support it. If properly designed, an IEnhancedEnumerator could make things like LINQ much more usable by eliminating a lot of "defensive" ToArray or ToList calls, especiall...
How do I use NSTimer?
...s the timer is called more than once and the instance variable hasn't been set to nil and the NSTimer instance has been deallocated, it will throw an exception).
Note also the point on Memory Management at the bottom of the article:
Because the run loop maintains the timer, from the perspective...
How to select rows from a DataFrame based on column values?
...it is more efficient to
make an index first, and then use df.loc:
df = df.set_index(['B'])
print(df.loc['one'])
yields
A C D
B
one foo 0 0
one bar 1 2
one foo 6 12
or, to include multiple values from the index use df.index.isin:
df.loc[df.index.isin(['one','...
Select first row in each GROUP BY group?
As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
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How to Right-align flex item?
...
Here you go. Set justify-content: space-between on the flex container.
.main {
display: flex;
justify-content: space-between;
}
.a, .b, .c { background: #efefef; border: 1px solid #999; }
.b { text-align: center; }
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What Vim command(s) can be used to quote/unquote words?
...
surround.vim is going to be your easiest answer. If you are truly set against using it, here are some examples for what you can do. Not necessarily the most efficient, but that's why surround.vim was written.
Quote a word, using single quotes
ciw'Ctrl+r"'
ciw - Delete the word the curs...
Does .NET have a way to check if List a contains all items in List b?
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