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When should one use a 'www' subdomain?

...bility to set a cross-subdomain cookie. This seems evident, but this means allowing authenticated users to move between your subdomains is more of a technical challenge. So ask yourself some questions. Do I set cookies? Do I care about potentially needless bandwidth expenditure? Will authenticated ...
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How can I save application settings in a Windows Forms application?

...e the exe is instead of the one in the user's AppData folder. No, not generally good, but I use it during development to use the same settings from compile to compile (w/o it, they go new unique user folders with each compile). – minnow Sep 13 '12 at 22:55 ...
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How to unload a package without restarting R

...nt version and a stable version in different libraries). To guarantee that all copies are detached, use this function. detach_package <- function(pkg, character.only = FALSE) { if(!character.only) { pkg <- deparse(substitute(pkg)) } search_item <- paste("package", pkg, sep = ":...
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Bootstrap 3 - Why is row class is wider than its container?

... In all grid systems, there are gutters between each column. Bootstrap's system sets a 15px padding on both the left and the right of each column to create this gutter. The issue is that the first column should not have half a g...
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Unfortunately MyApp has stopped. How can I solve this?

... put FATAL EXCEPTION (i.imgur.com/HpELhaU.png) so in this Box you can read all Exceptions which are throw by your application. With this you don't need to clear logcat and do the crash again. I think Android Studio have this option too. – Marco Acierno Jun 14 '...
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Random / noise functions for GLSL

As the GPU driver vendors don't usually bother to implement noiseX in GLSL, I'm looking for a "graphics randomization swiss army knife" utility function set, preferably optimised to use within GPU shaders. I prefer GLSL, but code any language will do for me, I'm ok with translating it on my own ...
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PHP json_decode() returns NULL with valid JSON?

...ters since I started the application and there were no problems before. Locally, the JSON decoding works perfectly. On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0. – Joel A. Villarreal Bertoldi ...
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MySQL “between” clause not inclusive?

...t; 23:59:59 and t < 24:00:00. Why deal with poorly specified BETWEEN at all? Rather follow David's advice and use: WHERE dob >= '2011-01-01' AND dob < '2011-02-01'. Best performance, and it works every time. – Disillusioned Feb 27 '17 at 9:13 ...
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GSON - Date format

... This won't really work at all. There is no date type in JSON. I would recommend to serialize to ISO8601 back and forth (for format agnostics and JS compat). Consider that you have to know which fields contain dates. ...
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How to count duplicate value in an array in javascript

...- it was me; I was browsing on mobile, and have clicked the button w/o actually noticing. Once I found out it was too late to revert. Apologies for that, the answer is really good. If you want to edit it, I'd be glad to reverse. – Todor Minakov Jan 19 '19 at 10...