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Diff output from two programs without temporary files
...ff <(!-2 2>&1) <(!! 2>&1)
!! is the same as !-1 which means run the command 1 before this one - the last command
!-2 means run the command two before this one
2>&1 means send file_descriptor 2 output (STD_ERR) to the same place as file_descriptor 1 output (STD_OUT)
Hop...
Pass parameter to controller from @Html.ActionLink MVC 4
...pPost] in the action because the link is sending a GET request. [HttpPost] means that your controller action is accessible only with a POST request.
– Darin Dimitrov
Jan 4 '13 at 10:58
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iFrame src change event detection?
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You mean this.contentWindow.location.href
– Nikolai
Sep 27 '11 at 13:50
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How to Create Deterministic Guids
...mly in the output space using randomness seeded from the hardware or other means.
– Thai Bui
Dec 3 '19 at 20:15
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Should MySQL have its timezone set to UTC?
...e variable" and "@@session.time_zone variable" might return "SYSTEM" which means that they use the timezone set in "my.cnf".
For timezone names to work (even for default-time-zone) you must setup your timezone information tables need to be populated: http://dev.mysql.com/doc/refman/5.1/en/time-zone...
How do I check if an element is hidden in jQuery?
...ld test if an element has been hidden or shown using jQuery?. Using jQuery means: the display property.
– MarioDS
May 11 '13 at 22:37
12
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How can I scale an image in a CSS sprite
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I'm not sure, what behaviors do you mean?
– Tomasz Mularczyk
Aug 23 '17 at 18:29
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Injecting $scope into an angular service function()
...g is because you're unaware that http calls are made asynchronously, which means you don't get a value immediately as you might. For instance,
var students = $http.get(path).then(function (resp) {
return resp.data;
}); // then() returns a promise object, not resp.data
There's a simple way to ge...
How to export a Vagrant virtual machine to transfer it
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@kevllar The clean way means that there is no information outside of the git repository that is required to start a new dev environment. This implies that installing and configuring the database will be completed during provisioning of the new vag...
What is the difference between LR, SLR, and LALR parsers?
...exactly the same tables (including the smaller version used by LALR). This means that GLR is strictly more powerful than LR, LALR and SLR; pretty much if you can write a standard BNF grammar, GLR will parse according to it. The difference in the machinery is that GLR is willing to try multiple parse...