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How to ssh to vagrant without actually running “vagrant ssh”?
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By adding an entry to the ~/.ssh/config in the way @adamczi suggests you can then use the Visual Studio Code Remote - SSH extension to ssh into the Vagrant VM and edit files and do remote development. Simply CMD-SHIFT-P then ...
Recommended way to save uploaded files in a servlet application
...n the webapp's deploy folder will not work at all. Some servers do (either by default or by configuration) not expand the deployed WAR file into the local disk file system, but instead fully in the memory. You can't create new files in the memory without basically editing the deployed WAR file and r...
How to drop a PostgreSQL database if there are active connections to it?
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Actually it would disconnect clients one by one, and if you client is in the middle of the list it will be disconnected too. As a result, some connections will stay alive. So, the right answer is by Craig Ringer (see below). SELECT pg_terminate_backend(pg_stat_activ...
What is the purpose of the HTML “no-js” class?
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The no-js class is used by the Modernizr feature detection library. When Modernizr loads, it replaces no-js with js. If JavaScript is disabled, the class remains. This allows you to write CSS which easily targets either condition.
From Modernizrs'...
SQL: How to get the count of each distinct value in a column?
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SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
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Limit file format when using ?
...pe using both the file extension and its binary signature (ASP.NET, PHP, Ruby, Java). You might also want to refer to these tables for file types and their magic numbers, to perform a more robust server-side verification.
Here are three good reads on file-uploads and security.
EDIT: Maybe file type...
How to change the button text of ?
... the same row) while clicking on an image! :/
– sohaiby
May 11 '15 at 12:09
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Learning to write a compiler [closed]
Preferred languages : C/C++, Java, and Ruby.
38 Answers
38
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In a storyboard, how do I make a custom cell for use with multiple controllers?
...nd each contains a collection of the other (members of a list, lists owned by a user). So, accordingly, I have ListCell and UserCell classes. The goal is to have those be re-usable throughout the app (ie, in any of my tableview controllers).
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What is the purpose of the implicit grant authorization type in OAuth 2?
...etween the user agent and the client:
The user-agent is the software whereby the user ("resource owner") communicates with other parts of the system (authentication server and resource server).
The client is the software which wants to access the resources of the user on the resource server.
In t...