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How can I use “sizeof” in a preprocessor macro?

...wer, but to add on to Mike's version, here's a version we use that doesn't allocate any memory. I didn't come up with the original size check, I found it on the internet years ago and unfortunately can't reference the author. The other two are just extensions of the same idea. Because they are type...
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How to implode array with key and value without foreach in PHP

... You could use http_build_query, like this: <?php $a=array("item1"=>"object1", "item2"=>"object2"); echo http_build_query($a,'',', '); ?> Output: item1=object1, item2=object2 Demo ...
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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...his is to use tabs as your separated value. I used this function from the PHP comments (using tabs "\t" instead of commas) and it worked perfectly on OS X and Windows Excel. Note that to fix an issue with an empty column as the end of a row, that I did have to change the line of code that says: ...
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How do I convert Long to byte[] and back in java

... public byte[] longToBytes(long x) { ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES); buffer.putLong(x); return buffer.array(); } public long bytesToLong(byte[] bytes) { ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES); buffer.put(bytes); buffer.flip();//need flip ...
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Java Class.cast() vs. cast operator

...n any case, Class.cast() should be used mainly when you retrieve the Class token via reflection. It's more idiomatic to write MyObject myObject = (MyObject) object rather than MyObject myObject = MyObject.class.cast(object) EDIT: Errors at compile time Over all, Java performs cast checks at...
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CSS text-transform capitalize on all caps

... There is no way to do this with CSS, you could use PHP or Javascript for this. PHP example: $text = "ALL CAPS"; $text = ucwords(strtolower($text)); // All Caps jQuery example (it's a plugin now!): // Uppercase every first letter of a word jQuery.fn.ucwords = function() ...
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How to get folder path from file path with CMD

...tain the folder path of each file. Here is my solution: FOR /F "usebackq tokens=1" %%i IN (`DIR /S/B *.zip` ) DO ( 7z.exe x %%i -aoa -o%%i\.. ) %%i was a full filename path and %ii\.. simply returns the parent folder. hope it helps. ...
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How do I get IntelliJ IDEA to display directories?

...a new directory in my source for it. I don't want that. I want to import a PHP module, or something like that. – jameshfisher Jun 18 '14 at 15:33 2 ...
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Javascript when to use prototypes

...eriting from a prototype. After that, it depends on how many instances you allocate of each type. But in many modular designs, there is only one instance of a given type. And in fact, it has been suggested by many people that implementation inheritance is evil. That is, if there are some common ope...
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What happens if I define a 0-size array in C/C++?

...ray { size_t size; int content[]; }; The idea is that you would then allocate it so: void foo(size_t x) { Array* array = malloc(sizeof(size_t) + x * sizeof(int)); array->size = x; for (size_t i = 0; i != x; ++i) { array->content[i] = 0; } } You might also use it staticall...