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Is there a better alternative than this to 'switch on type'?
...17 switching on types is supported - see Zachary Yates's answer below). In order to do this without a large if/else if/else statement, you'll need to work with a different structure. I wrote a blog post awhile back detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/bl...
What is a “Bitmap heap scan” in a query plan?
... is different from an index scan, where the index is visited row by row in order -- meaning a disk page may get visited multiple times.
Re: the question in your comment... Yep, that's exactly it.
An index scan will go through rows one by one, opening disk pages again and again, as many times as ...
Are 2^n and n*2^n in the same time complexity?
...
You will have to go to the formal definition of the big O (O) in order to answer this question.
The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that v...
UDP vs TCP, how much faster is it? [closed]
...le much more efficiently than TCP's point-to-point acknowledgement.
Out-of-order delivery: in lots of applications, as long as you get all the data, you don't care what order it arrives in; you can reduce app-level latency by accepting an out-of-order block.
Unfriendliness: on a LAN party, you may ...
Sort Dictionary by keys
...
If you want to iterate over both the keys and the values in a key sorted order, this form is quite succinct
let d = [
"A" : [1, 2],
"Z" : [3, 4],
"D" : [5, 6]
]
Swift 1,2:
for (k,v) in Array(d).sorted({$0.0 < $1.0}) {
println("\(k):\(v)")
}
Swift 3+:
for (k,v) in Array(d).sort...
Insert new column into table in sqlite?
...AULT {defaultValue}; More important: (thinking about why you would want to order the columns..) use in every record action (like insert or add) always the column names, this way, you will never get mistakes somewheere in your code after altering the table.
– michel.iamit
...
Can we delete an SMS in Android before it reaches the inbox?
... improve the user experience by processing specially-formatted messages in order to show them in a nice Android-specific UI.
As of Android 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system ...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...IT__ 8
#define __UINT8_MAX__ 255
#define __WINT_MAX__ 2147483647
#define __ORDER_LITTLE_ENDIAN__ 1234
#define __SIZE_MAX__ 18446744073709551615UL
#define __WCHAR_MAX__ 2147483647
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
#define __GCC_HAVE_SYNC_COMPARE...
How can I list all foreign keys referencing a given table in SQL Server?
...n I get a list of all the foreign key constraints I will need to remove in order to drop the table?
26 Answers
...
Remove duplicates from an array of objects in JavaScript
...orks, it does not take care of a sorted array since fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact
– Deepak G M
...