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How can a Javascript object refer to values in itself? [duplicate]

...obj = { key1: "it" }; obj.key2 = obj.key1 + ' ' + 'works!'; // obj.key2 is now 'it works!' share | improve this answer | follow | ...
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JavaScript curry: what are the practical applications?

...ve some logic that will be applied to two or more arguments, and you only know the value(s) for some of those arguments. You can use partial application/currying to fix those known values and return a function that only accepts the unknowns, to be invoked later when you actually have the values yo...
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How to concatenate two MP4 files using FFmpeg?

...fmpeg -i myfile2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts temp2.ts // now join ffmpeg -i "concat:temp1.ts|temp2.ts" -c copy -bsf:a aac_adtstoasc output.mp4 NOTE!: Output will be like first file ( and not a second one) ...
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How to reset db in Django? I get a command 'reset' not found error

... thanks, good to know, recent (last modified 6 months ago) public django documentation about fixtures still (2019-07-11) talks about 'reset': code.djangoproject.com/wiki/Fixtures – vchrizz Jul 11 '19 at 2...
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Exclude a directory from git diff

...o the specs are irrelevant for this procedure, and just create headaches. now I know i can do 7 Answers ...
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How get integer value from a enum in Rails?

...turns the integer value Update for rails 5 For rails 5 the above method now returns the string value :( The best method I can see for now is: my_model.sale_info_before_type_cast Shadwell's answer also continues to work for rails 5. ...
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Understanding generators in Python

...u do not look into until you understand the basic concept of a generator. Now you may ask: why use generators? There are a couple of good reasons: Certain concepts can be described much more succinctly using generators. Instead of creating a function which returns a list of values, one can write ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

... But now it is deprecated in api 27 -> to use the v4 version again. Then we have the problem again, with not way to use the none support lib Fragment – Morten Holmgaard Apr 5 '18 at 8:32 ...
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Determine whether an array contains a value [duplicate]

...he answer. But good stuff - I've used indexOf() for strings, but I didn't know you could use it for arrays in general. – doubleDown Feb 4 '16 at 12:02 ...
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Rails I18n validation deprecation warning

...les = true # ... end end Long answer The deprecation warning is now displayed both in Rails 4 (>= 4.0.2) and Rails 3.2 (>= 3.2.14). The reason is explained in this commit. Enforce available locales When I18n.config.enforce_available_locales is true we'll raise an I18n::In...