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How can one use multi threading in PHP applications

...nitiate Multiple Thread foreach ( range("A", "D") as $i ) { $stack[] = new AsyncOperation($i); } // Start The Threads foreach ( $stack as $t ) { $t->start(); } ?> First Run 12:00:06pm: A -start -sleeps 5 12:00:06pm: B -start -sleeps 3 12:00:06pm: C -start -sleeps 10...
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

...ently mutated (e.g. hashes and strings), not just arrays. TL;DR: Use Hash.new { |h, k| h[k] = [] } if you want the most idiomatic solution and don’t care why. What doesn’t work Why Hash.new([]) doesn’t work Let’s look more in-depth at why Hash.new([]) doesn’t work: h = Hash.new([]) ...
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How can I tell how many objects I've stored in an S3 bucket?

... If you're lazy like me, Newvem basically does this on your behalf and aggregates/tracks the results on a per-bucket level across your S3 account. – rcoup Oct 10 '12 at 20:32 ...
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Is it possible to download an old APK for my app from Google Play?

...the old APKs, and now I'd like to test upgrade from the old versions to my new version. Is there any way to download Google's copy of my old versions? The Google Play developer console shows my old APKs, but without a download link. I tried "Real APK Leecher", but that doesn't let you choose the APK...
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SQL DROP TABLE foreign key constraint

... In SQL Server Management Studio 2008 (R2) and newer, you can Right Click on the DB -> Tasks -> Generate Scripts Select the tables you want to DROP. Select "Save to new query window". Click on the Advanced button. Set Script DROP and CREATE to Script DROP. S...
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association

...d seeing what Hibernate does when it generates the tables. If you're on a new project, pick whichever generation you think fits your needs. If you're on a legacy database and don't want to change the structure, pick whichever matches your schema. – Snekse Mar...
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Find and replace - Add carriage return OR Newline

...ace: mytext\r\n Use regular expressions. – Farid Z Sep 23 at 16:04 add a comment ...
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Setting onClickListener for the Drawable right of an EditText [duplicate]

...kListener on the view in activity file. editText.setDrawableClickListener(new DrawableClickListener() { public void onClick(DrawablePosition target) { switch (target) { case LEFT: //Do something here break; default: ...
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How to use icons and symbols from “Font Awesome” on Native Android Application

... Great idea. But beware of memory issues when constantly creating a new typeface for each icon. Instead, use something like Hashtable to re-use your icon typeface, like suggested here: code.google.com/p/android/issues/detail?id=9904#c7 – saschoar Apr 25 ...
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How would one write object-oriented code in C? [closed]

... this); // This takes uninitialized memory struct stack * (* operator_new)(); // This allocates a new struct, passes it to construct, and then returns it void (*push)(struct stack * this, thing * t); // Pushing t onto this stack thing * (*pop)(struct stack * this); // Pops the top thi...