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What is the fastest integer division supporting division by zero no matter what the result is?
... turned out to be such a popular question and answer, I'll elaborate a bit more. The above example is based on programming idiom that a compiler recognizes. In the above case a boolean expression is used in integral arithmetic and the use of condition flags are invented in hardware for this purpose....
Chrome desktop notification example [closed]
...ear automatically after a few seconds
Service Worker notifications - a bit more complicated, but they can work in the background (even after the page is closed), are persistent, and support action buttons
The API call takes the same parameters (except for actions - not available on desktop notific...
Why is debugging better in an IDE? [closed]
... Yes, but the OP asked "What makes IDE debugging tools so much more effective than thoughtful use of diagnostic print statements?". I was comparing IDE debugging tools vs. print statements, not IDE debugging vs. console debugging.
– LeopardSkinPillBoxHat
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How can I remove duplicate rows?
...y if this is obvious to others; I'm a newbie to SQL just trying to learn. More importantly than why does it work: what is the difference between including the name of the table there or not?
– levininja
Nov 6 '13 at 20:28
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What are the basic rules and idioms for operator overloading?
...facing for the bit-manipulation functions they inherit from C, have become more prevalent as overloaded stream input and output operators in most applications. For guidance overloading as bit-manipulation operators, see the section below on Binary Arithmetic Operators. For implementing your own cu...
Executing multiple commands from a Windows cmd script
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How to work around the lack of transactions in MongoDB?
...ons do not impact performance for workloads that do not require them.
For more details see here.
Having distributed transactions, doesn't mean that you should model your data like in tabular relational databases. Embrace the power of the document model and follow the good and recommended practice...
How to generate a number of most distinctive colors in R?
...corresponding color names (there are only 433 colors in grDevices but many more hex codes)
– JelenaČuklina
Jul 13 '17 at 15:31
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Why does C++11 not support designated initializer lists as C99? [closed]
...on C++ promotes.
On the other hand the designated initializers feature is more about exposing and making members easy to access directly in client code. This leads to things like having a person of age 18 (years?) but with height and weight of zero.
In other words, designated initializers suppor...
PDO Prepared Inserts multiple rows in single query
...);
$data[] = array('fielda' => 'value', 'fieldb' => 'value' ....);
more data values or you probably have a loop that populates data.
With prepared inserts you need to know the fields you're inserting to, and the number of fields to create the ? placeholders to bind your parameters.
insert ...