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Insert a line at specific line number with sed or awk
... has a wq command to save and quit, but old ed's don't.
Further reading: https://gnu.org/software/ed/manual/ed_manual.html
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How to stop app that node.js express 'npm start'
...me was truncated. I read up on process.title in the nodejs documentation (https://nodejs.org/docs/latest/api/process.html#process_process_title) and it says
On Linux and OS X, it's limited to the size of the binary name plus the length of the command line arguments because it overwrites the arg...
renderpartial with null model gets passed the wrong type
...d it with new ViewDataDictionary().
I created a set of extension methods:
https://github.com/q42jaap/PartialMagic.Mvc/blob/master/PartialMagic.Mvc/PartialExtensions.cs
I also added some methods that don't call the partial if the model is null, this will save a lot of if statements.
I created them ...
What do I have to do to get Core Data to automatically migrate models?
...Managed Object Model’s Current Version
Update: 8/19/2013 better link:
https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CoreDataVersioning/Articles/vmModelFormat.html
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Rails 3: Get Random Record
...orms better on large tables and allows you to chain relations and scopes:
https://github.com/spilliton/randumb
(edit): The default behavior of my gem basically uses the same approach as above now, but you have the option to use the old way if you want :)
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How does JavaScript handle AJAX responses in the background?
...
var xhr = new XMLHttpRequest();
var t = Date.now;
xhr.open( "GET", "https://swx.cdn.skype.com/shared/v/1.2.15/SkypeBootstrap.min.js?v="+t(), true );
xhr.onload = function( e ) {
console.log(t() + ': step 3');
alert(this.response.substr(0,20));
};
console.log(t() + ': step 1...
How to check if character is a letter in Javascript?
...has the capabilities you seek: http://xregexp.com/plugins/ (github link: https://github.com/slevithan/xregexp)
With it you can simply match all unicode letters with \p{L}.
Read the header of this source file to see which categories it supports: http://xregexp.com/plugins/xregexp-unicode-categori...
How to make the window full screen with Javascript (stretching all over the screen)
...on pageload, it needs to be triggered by a user (eg. a button)
Read more: https://developer.mozilla.org/en/DOM/Using_full-screen_mode
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What does bundle exec rake mean?
...o you can use bundle exec by default within a specific project directory:
https://thoughtbot.com/blog/use-bundlers-binstubs
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Case insensitive string as HashMap key
...et(String key) {
return super.get(key.toLowerCase());
}
}
Or
https://commons.apache.org/proper/commons-collections/apidocs/org/apache/commons/collections4/map/CaseInsensitiveMap.html
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