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'AND' vs '&&' as operator
...r. For instance,
$predA && $predB ? "foo" : "bar"
will return a string whereas
$predA and $predB ? "foo" : "bar"
will return a boolean.
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Convert JS object to JSON string
... easily as that:
var j = {
"name": "binchen"
};
console.log(JSON.stringify(j));
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Pimpl idiom vs Pure virtual class interface
... important. It's appropriate for it to be a key in a std::map. Example, a "string" class, or a "date" class, or a "complex number" class. To "copy" instances of such a class makes sense.
An Entity type
Identity is important. Always passed by reference, never by "value". Often, doesn't make sense t...
jQuery .on function for future elements, as .live is deprecated [duplicate]
...vents are going to bubble up. This is essentially normal bubbling with an extra filter of .my_class.
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How can I detect the touch event of an UIImageView?
...UIButton on top of the UIImageView a little over the top? You're adding an extra object, whereas you could just implement the touches methods of the already existing UIImageView object. No?
– samvermette
May 19 '10 at 21:11
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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
... out that this answer is slightly misleading. When extracting ints or std::strings or similar, the EOF bit is set when you extract the one right before the end and the extraction hits the end. You do not need to read again. The reason it doesn't get set when reading from files is because there's an ...
how to rotate a bitmap 90 degrees
...2 = 4MB total)? or will the newBitmap only refer to oldBitmap (and thus no extra 2MB is required)? ......... I want to avoid outOfMemory Error at all cost!
– Shishir Gupta
Mar 1 '14 at 21:59
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Is ASCII code 7-bit or 8-bit?
...set to 0 (yes, it's wasted in ASCII).
You can verify this by inputting a string in the ASCII character set in a text editor, setting the encoding to ASCII, and viewing the binary/hex:
Aside: the use of (strictly) ASCII encoding is now uncommon, in favor of UTF-8 (which does not waste the MSB men...
Equivalent of String.format in jQuery
... JavaScript equivalents in MicrosoftAjax of the popular .net methods, e.g. String.format(), String.startsWith(), etc. Are there equivalents to them in jQuery?
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Modifying location.hash without page scrolling
...d node was last seen so you need to help them a little. You need to add an extra div to the top of the viewport, set its ID to the hash, and then roll everything back:
hash = hash.replace( /^#/, '' );
var fx, node = $( '#' + hash );
if ( node.length ) {
node.attr( 'id', '' );
fx = $( '<div&g...