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Hide files with certain extension in Sublime Text Editor?

... Are you talking about the sidebar? For example, if you select File → Open and select a folder, then the folder and its contents are displayed along the left side, allowing you to navigate amongst its contents and sub-directories. If that is the case, then the answer is yes, fi...
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How long is the SHA256 hash?

... you can use this select statement to test it: SELECT length(to_base64(unhex(sha2('say hello to my little friend',256)))) , it is always 44 whatever the length of original string is. – DrAhmedJava Apr 9 '...
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Parallel foreach with asynchronous lambda

...is: var bag = new ConcurrentBag<object>(); var tasks = myCollection.Select(async item => { // some pre stuff var response = await GetData(item); bag.Add(response); // some post stuff }); await Task.WhenAll(tasks); var count = bag.Count; If you need something more complex, check o...
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Tricks to manage the available memory in an R session

... I make aggressive use of the subset parameter with selection of only the required variables when passing dataframes to the data= argument of regression functions. It does result in some errors if I forget to add variables to both the formula and the select= vector, but it sti...
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Get ffmpeg information in friendly way

... Another usage of ffprobe which is nicely parseable: ffprobe -v error -select_streams v:0 -show_entries stream=width,height,r_frame_rate,bit_rate,codec_name,duration -of csv=p=0:s=x video.mp4 results in: h264x600x480x25/1x385.680000x542326 -select_streams v:0 selects only the video stream. I...
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How to combine class and ID in CSS selector?

...is is super old and people keep finding it: don't use the tagNames in your selectors. #content.myClass is faster than div#content.myClass because the tagName adds a filtering step that you don't need. Use tagNames in selectors only where you must! ...
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Which HTML elements can receive focus?

...ich the only elements that have a focus() method are HTMLInputElement, HTMLSelectElement, HTMLTextAreaElement and HTMLAnchorElement. This notably omits HTMLButtonElement and HTMLAreaElement. Today's browsers define focus() on HTMLElement, but an element won't actually take focus unless it's one of: ...
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Can I split an already split hunk with git?

...width: 300px; } .another { width: 420px; } Now let's change the style selectors in the middle block, and while we're at it, delete some old commented-out style we don't need anymore. .classname { width: 440px; } #user-register form.table-form .field-type-checkbox label { width: 300px; } ...
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iPhone Debugging: How to resolve 'failed to get the task for process'?

...but resolved it by following simple following steps : Make sure you have selected debug rather than release. In Debug configurations, in project settings, you should have selected developer's profile & no need of specifying the entitlements plist. Also same setting are there under: Targets: , ...
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Difference between map and collect in Ruby?

..., in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smallt...