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How to test an Internet connection with bash?
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93
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See what process is using a file in Mac OS X
...en images form Evernote in Preview in order to crop them, and most times - more often than not - even after I have quit Preview, Evernote wars that the image is still open in another application.
– Vihung
Feb 25 '14 at 14:07
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How to create Windows EventLog source from command line?
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Manipulate a url string by adding GET parameters
...) {
$url .= '&category=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&category=1&tags[]=fun&tags[]=great';
$url_parts = parse_url($url);
// If URL doesn't have a query string.
if (isset($url_parts['query'])) { // Avoid '...
How to loop over directories in Linux?
...usly)
. is the current directory, which after the cd is /tmp (IMHO this is more flexible than having /tmp directly in the find command. You have only one place, the cd, to change, if you want more actions to take place in this folder)
-maxdepth 1 and -mindepth 1 make sure that find only looks in the...
Literal notation for Dictionary in C#?
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{ "test2", "val2" }
};
In C# 6, you now have the option of using a more intuitive syntax with Dictionary as well as any other type that supports indexers. The above statement can be rewritten as:
var data = new Dictionary<string, string>
{
["test"] = "val",
["test2"] = "val2"
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python pandas: apply a function with arguments to a series
... python function which should have a single parameter. If you want to pass more parameters you should use functools.partial as suggested by Joel Cornett in his comment.
An example:
>>> import functools
>>> import operator
>>> add_3 = functools.partial(operator.add,3)
&gt...
Filter dict to contain only certain keys?
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152
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How to test an SQL Update statement before running it?
...a then. Assuming he wants to check the result, I conclude his statement is more complex than a 'SET bar = 42', so within his session he will be able to make several queries to test the resulting set of data ...
– Imad Moqaddem
Jun 13 '12 at 9:06
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