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How to list the tables in a SQLite database file that was opened with ATTACH?

....schema tablename Print the entire table: SELECT * FROM tablename; List all of the available SQLite prompt commands: .help share | improve this answer | follow ...
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How to get value of selected radio button?

...nput as we see in many of the posted answers. Example Form <form id="test"> <label><input type="radio" name="test" value="A"> A</label> <label><input type="radio" name="test" value="B" checked> B</label> <label><input type="radio" name="test" val...
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer

... is exported. To export in a vector format, use To PDF File, instead. This allows for simplified editing using Inkscape (or other vector image editor). These instructions may work for SQL Developer 3.2.09.23 to 4.1.3.20. sh...
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How to implode array with key and value without foreach in PHP

... I spent measurements (100000 iterations), what fastest way to glue an associative array? Objective: To obtain a line of 1,000 items, in this format: "key:value,key2:value2" We have array (for example): $array = [ 'test0' => 344, 'test1' => 235, 'test2' =...
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Why use 'virtual' for class properties in Entity Framework model definitions?

... It allows the Entity Framework to create a proxy around the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4...
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How to use gradle zip in local system without downloading when using gradle-wrapper

...es a main point of the wrapper, which is that Gradle is downloaded and installed automatically for all build users. If you prefer to use a local installation, put it on your PATH and invoke gradle rather than gradlew. – Peter Niederwieser Apr 7 '14 at 6:59 ...
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iPhone: Detecting user inactivity/idle time since last screen touch

... touch or an Ended touch, to reduce the number of timer resets. NSSet *allTouches = [event allTouches]; if ([allTouches count] > 0) { // allTouches count only ever seems to be 1, so anyObject works here. UITouchPhase phase = ((UITouch *)[allTouches anyObject]).phase; ...
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How to run Rails console in the test environment and load test_helper.rb?

...Factory Girl" gem, with is used to create objects to use in unit and other tests. I'd like to go to the console and run different Factory Girl calls to check out what's happening. For example, I'd like to go in there are do... ...
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Getting a slice of keys from a map

...ly won't make much of a difference, but it's not much more work, and in my tests (using a map with 1,000,000 random int64 keys and then generating the array of keys ten times with each method), it was about 20% faster to assign members of the array directly than to use append. Although setting the ...
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What is the easiest way to push an element to the beginning of the array?

...the top of the page could be better formatted, it is very difficult to visually scan as it is. I found it because I knew the method name I was looking for :) – mu is too short May 22 '11 at 6:45 ...