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How to copy an object in Objective-C

...wered Jul 24 '12 at 10:41 Szuwar_JrSzuwar_Jr 58377 silver badges1010 bronze badges ...
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GoogleTest: How to skip a test?

...have a broken test that you cannot fix right away, you can add the DISABLED_ prefix to its name. This will exclude it from execution." Examples: // Tests that Foo does Abc. TEST(FooTest, DISABLED_DoesAbc) { ... } class DISABLED_BarTest : public ::testing::Test { ... }; // Tests that Bar does Xyz...
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT

...ts. If you disable a constraint with ALTER TABLE foo NOCHECK CONSTRAINT fk_b and then re-enable it with ALTER TABLE foo CHECK CONSTRAINT fk_b it doesn't verify the constraint. ALTER TABLE foo WITH CHECK CHECK CONSTRAINT fk_b is necessary in order to have the data verified. – ...
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Read url to string in few lines of java code

... Scanner(new URL(requestURL).openStream(), StandardCharsets.UTF_8.toString())) { scanner.useDelimiter("\\A"); return scanner.hasNext() ? scanner.next() : ""; } } share | ...
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Are PHP Variables passed by value or by reference?

...;) to the argument name in the function definition. <?php function add_some_extra(&$string) { $string .= 'and something extra.'; } $str = 'This is a string, '; add_some_extra($str); echo $str; // outputs 'This is a string, and something extra.' ?> ...
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Change private static final field using Java reflection

...ic #2; //Field java/lang/System.out:Ljava/io/PrintStream; 3: iconst_1 4: invokevirtual #3; //Method java/io/PrintStream.println:(Z)V 7: return share | improve this answer | ...
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Why 0 is true but false is 1 in the shell?

... chained shell commands. Here is an example mkdir deleteme && cd $_ && pwd. Because the shell interprets 0 as true this command conveniently works as expected. If the shell were to interpret 0 as false then you'd have to invert the interpreted exit status for each operation. In sho...
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How to check whether dynamically attached event listener exists or not?

... finally? If you wanted to you could something like the following: var _addEventListener = EventTarget.prototype.addEventListener; var _removeEventListener = EventTarget.prototype.removeEventListener; EventTarget.prototype.events = {}; EventTarget.prototype.addEventListener = function(name, list...
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Ruby: Easiest Way to Filter Hash Keys?

...with just the choices in it. choices = params.select { |key, value| key.to_s.match(/^choice\d+/) } or you can use delete_if and modify the existing Hash e.g. params.delete_if { |key, value| !key.to_s.match(/choice\d+/) } or if it is just the keys and not the values you want then you can do: p...
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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it

... The data received in your serialPort1_DataReceived method is coming from another thread context than the UI thread, and that's the reason you see this error. To remedy this, you will have to use a dispatcher as descibed in the MSDN article: How to: Make Thread-S...