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Batch files - number of command line arguments
...iant of for only works for arguments that look like file names, not option strings such as -?. Using quotes (for %%i in ("%*") ...) works for argument like -? but again fails for quoted arguments because of nested quotes. The only robust way seems to involve shift...
– Ferdin...
How do I make and use a Queue in Objective-C?
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@end
Just import the .h file wherever you want to use your new methods, and call them like you would any other NSMutableArray methods.
Good luck and Keep on Coding!
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How to delete duplicate rows in SQL Server?
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I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6]...
Is 0 a decimal literal or an octal literal?
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If anybody's curious, the statement that "A token is a string of one or more characters that is significant as a group." appears to be from this Wikipedia article.
– Keith Thompson
Oct 30 '14 at 20:25
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NSUserDefaults - How to tell if a key exists
...l returning nil if the key doesn't exist.
func integerOptional(forKey: String) -> Int? {
return self.object(forKey: forKey) as? Int
}
/// Convenience method to wrap the built-in .double(forKey:) method in an optional returning nil if the key doesn't exist.
func doubleOptio...
How do I get the YouTube video ID from a URL?
...for this.
var video_id = window.location.search.split('v=')[1];
var ampersandPosition = video_id.indexOf('&');
if(ampersandPosition != -1) {
video_id = video_id.substring(0, ampersandPosition);
}
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Mongoose, Select a specific field with find
...r);
res.send(someValue);
});
//this eliminates the .select() and .exec() methods
};
In case you want most of the Schema fields and want to omit only a few, you can prefix the field name with a -. For ex "-name" in the second argument will not include name field in the doc whereas th...
How to add http:// if it doesn't exist in the URL?
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Scan the string for ://, if it does not have it, prepend http:// to the string.., everything else just use the string as is.
This will work unless you have rubbish input string.
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php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...对 JSON 格式的字符串进行编码
说明：
mixed json_decode ( string $json [, bool $assoc ] )
接受一个 JSON 格式的字符串并且把它转换为 PHP 变量
参数：
json
待解码的 json string 格式的字符串。
assoc
当该参数为 TRUE 时，将返回 array ...
Form inline inside a form horizontal in twitter bootstrap?
...Sep 20 '15 at 5:57
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
answered Aug 31 '12 at 9:06
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