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How can I avoid running ActiveRecord callbacks?

I have some models that have after_save callbacks. Usually that's fine, but in some situations, like when creating development data, I want to save the models without having the callbacks run. Is there a simple way to do that? Something akin to... ...
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What is the “FS”/“GS” register intended for?

...dows and Linux. The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files a...
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Differences between Java 8 Date Time API (java.time) and Joda-Time

...s perfect ;-)). c) With both libraries we get a real calendar date type (called LocalDate), a real wall time type (called LocalTime) and the composition (called LocalDateTime). That is a very big win compared with old java.util.Calendar and java.util.Date. d) Both libraries use a method-centric ap...
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CSS Progress Circle [closed]

...ster is lying. This answer uses heavy amounts of Javascript via a library called LESS. – GetFree May 30 '16 at 16:04 6 ...
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Shell command to tar directory excluding certain files/folders

...r. If you want to archive everything except /usr you can use: tar -zcvf /all.tgz / --exclude=/usr In your case perhaps something like tar -zcvf archive.tgz arc_dir --exclude=dir/ignore_this_dir share | ...
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Why doesn't height: 100% work to expand divs to the screen height?

...lement <html>, which can be a percentage height. . So, you've given all of your elements height, except for the <html>, so what you should do is add this: html { height: 100%; } And your code should work fine. * { padding: 0; margin: 0; } html, body, #fullheight { min-he...
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Private properties in JavaScript ES6 classes

...class fields work. You can't currently use this in constructor before you call super(). Yet babel puts them before super. – seeker_of_bacon Oct 3 '18 at 16:23 ...
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Favorite Django Tips & Features?

... This alleviates you from always type os.path.join() which gets annoying pretty fast: j = lambda filename: os.path.join(PROJECT_DIR, filename). Then you just need to type j("static"). – wr. Ma...
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What's the difference between commit() and apply() in SharedPreferences

... tl;dr: commit() writes the data synchronously (blocking the thread its called from). It then informs you about the success of the operation. apply() schedules the data to be written asynchronously. It does not inform you about the success of the operation. If you save with apply() and immediately...
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Received fatal alert: handshake_failure through SSLHandshakeException

... server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate into the client's trust store. The cerificate is issued for a different domain. Again, this would have re...