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Use cases for the 'setdefault' dict method
...t: {1: 5, 2: 6}
In: d.setdefault(2, 0)
Out: 6
In: d.setdefault(2, print('test'))
test
Out: 6
As you can see, print was also executed even though 2 already existed in the dictionary. This becomes particularly important if you are planning to use setdefault for example for an optimization like mem...
Case insensitive 'Contains(string)'
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To test if the string paragraph contains the string word (thanks @QuarterMeister)
culture.CompareInfo.IndexOf(paragraph, word, CompareOptions.IgnoreCase) >= 0
Where culture is the instance of CultureInfo describing the lan...
How to scroll HTML page to given anchor?
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In the latest Chrome release this is the only method I have found that consistently works. Thanks for the tip!
– gaborous
Jun 6 at 9:36
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How to get a key in a JavaScript object by its value?
...s[ prop ] === value )
return prop;
}
}
}
var test = {
key1: 42,
key2: 'foo'
};
test.getKeyByValue( 42 ); // returns 'key1'
One word of caution: Even if the above works, its generally a bad idea to extend any host or native object's .prototype. I did it here be...
Regular Expressions and negating a whole character group [duplicate]
...is approach is slower than the one given in Peter's answer. I've run some tests since then, and found that it's really slightly faster. However, the reason to prefer this technique over the other is not speed, but simplicity.
The other technique, described here as a tempered greedy token, is su...
SQL Server loop - how do I loop through a set of records
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Just another approach if you are fine using temp tables.I have personally tested this and it will not cause any exception (even if temp table does not have any data.)
CREATE TABLE #TempTable
(
ROWID int identity(1,1) primary key,
HIERARCHY_ID_TO_UPDATE int,
)
--create some testing data
--...
Django filter versus get for single object?
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That test is pretty unfair. A large part of the overhead in throwing an exception is the handling of the stack trace. That test had a stack length of 1 which is much lower than you would usually find in an application.
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How to recursively delete an entire directory with PowerShell 2.0?
..., no error is raised. You may need PowerShell v3.0.
remove-item -path "c:\Test Temp\Test Folder" -Force -Recurse -ErrorAction SilentlyContinue
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How do I POST urlencoded form data with $http without jQuery?
...j[c])]); }, []).join('&');
– test30
Sep 14 '16 at 22:09
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How do you access a website running on localhost from iPhone browser
I am working on a mobile website and would like to test it using my iPhone browser. My Windows 7 machine and iPhone are on the same wireless network. How do I access localhost from the iPhone? Right now I get a 404 error.
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