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git: diff between file in local repo and origin

... If [remote-path] and [local-path] are the same, you can do $ git fetch origin master $ git diff origin/master -- [local-path] Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch comman...
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JavaScript hashmap equivalent

... Hash your objects yourself manually, and use the resulting strings as keys for a regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do. Example: var key = function(obj){ // Some unique o...
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How to install latest (untagged) state of a repo using bower?

I have a very small repo in which I do all dev work in the master branch and use tags as "stable" points in history. 6 An...
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base64 encoded images in email signatures

...d by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received). ...
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How does one make an optional closure in swift?

... @Cezar Could you please explain a bit why and where to use "Optional closure", I am curious to know this. – iLearner Apr 6 '19 at 14:17 ...
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How to get the browser viewport dimensions?

... Cross-browser @media (width) and @media (height) values  const vw = Math.max(document.documentElement.clientWidth || 0, window.innerWidth || 0) const vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0) window.innerWidth a...
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In Java, are enum types inside a class static?

...oring access restrictions) Bar b1 = new Foo().A Bar b2 = new Foo().A b1 and b2 would have to be the same objects. share | improve this answer | follow | ...
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What does the forward slash mean in the CSS font shorthand?

...ax is based on typographical notation for specifying the respective sizes, and is only applicable to the font shorthand property. In other words, the above declaration simply expands to the following: font-size: 12px; line-height: 18px; As always, if you set the line height to a relative value (e...
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Active Record - Find records which were created_at before today

... Using ActiveRecord the standard way: MyModel.where("created_at < ?", 2.days.ago) Using the underlying Arel interface: MyModel.where(MyModel.arel_table[:created_at].lt(2.days.ago)) Using a thin layer over Arel: MyModel.where(MyModel[:created...
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Determine the number of lines within a text file

...m all into an array like ReadAllLines. So now you can have both efficiency and conciseness with: var lineCount = File.ReadLines(@"C:\file.txt").Count(); Original Answer If you're not too bothered about efficiency, you can simply write: var lineCount = File.ReadAllLines(@"C:\file.txt").Length;...