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Is an index needed for a primary key in SQLite?
...ndexed value. This is because:
...all rows within SQLite tables have a 64-bit signed integer key that uniquely identifies the row within its table ... Searching for a record with a specific rowid, or for all records with rowids within a specified range is around twice as fast as a similar search ma...
Open two instances of a file in a single Visual Studio session
...sic), but the key is also there for HTML, JScript and RDL Expression.
64-bit OS: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\10.0\Languages\Language Services\Basic
32-bit OS: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\10.0\Languages\Language Services\Basic
Find the val...
Proper stack and heap usage in C++?
...tself a slow operation, and stack is more likely to be in dcache than an arbitrary heap line. These are real considerations, but usually secondary to the question of lifespan.
– Crashworks
Mar 1 '09 at 9:42
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Node.js get file extension
... |
edited Apr 26 '13 at 7:10
Tim Santeford
22.9k1111 gold badges6969 silver badges9898 bronze badges
ans...
Math - mapping numbers
...gh number type (bignum or similar). Your numbers are simply too big for 32 bit integers – but 64 bit integers for instance will work.
– Konrad Rudolph
Feb 19 '13 at 11:40
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How do you serve a file for download with AngularJS or Javascript?
...;
var blob = new Blob([ content ], { type : 'text/plain' });
$scope.url = (window.URL || window.webkitURL).createObjectURL( blob );
in order to enable the URL:
app = angular.module(...);
app.config(['$compileProvider',
function ($compileProvider) {
$compileProvider.aHrefSanitizationWh...
NumPy or Pandas: Keeping array type as integer while having a NaN value
... the dataframe works)
– Alaa M.
May 10 '19 at 14:36
Do I have to use 'Int64' or is there something like 'Int8'? It use...
SQL Server Operating system error 5: “5(Access is denied.)”
...o read/write in the new folder.
Check out this
To fix, I did the following:
Added the Administrators Group to the file security permissions with
full control for the Data file (S:) and the Log File (T:).
Attached the database and it works fine.
...
C# 'is' operator performance
... as an unnecessary cast.
One idea (without knowing what you're doing is a bit of a shot in the dark), but I've always been advised to avoid checking like this, and instead have another class. So rather than doing some checks and having different actions depending on the type, make the class know ho...
Connecting to remote URL which requires authentication using Java
...
10
I've been looking for a Base64 encoder inside java standard packages for so long ! Thank you
– qwertzguy
...