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What makes a SQL statement sargable?
...a function in the where clause:
SELECT ... FROM ...
WHERE Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-0...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...
90
Basically elaborating on what's outlined here.
Here's how it works: let's say we have a functio...
Chrome Extension how to send data from content script to popup.html
...son:
{
"manifest_version": 2,
"name": "Test Extension",
"version": "0.0",
"offline_enabled": true,
"background": {
"persistent": false,
"scripts": ["background.js"]
},
"content_scripts": [{
"matches": ["*://*.stackoverflow.com/*"],
"js": ["content.js"],
"run_at":...
Insert a string at a specific index
....splice = function(start, delCount, newSubStr) {
return this.slice(0, start) + newSubStr + this.slice(start + Math.abs(delCount));
};
}
Example
String.prototype.splice = function(idx, rem, str) {
return this.slice(0, idx) + str + this.slice(idx + Math.abs(rem));
};
var re...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
...|
edited Mar 11 '14 at 9:20
naXa
23.6k1414 gold badges140140 silver badges198198 bronze badges
answered ...
Convert all first letter to upper case, rest lower for each word
...
answered Dec 21 '09 at 23:26
jspcaljspcal
45.7k44 gold badges6464 silver badges6666 bronze badges
...
What is the entry point of swift code execution?
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40
In the AppDelegate.swift file you can see @UIApplicationMain.
The AppDelegate is the initial en...
How does generic lambda work in C++14?
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130
Generic lambdas were introduced in C++14.
Simply, the closure type defined by the lambda expre...
What is the difference between “Include Directories” and “Additional Include Directories”
...
This is awkwardness that got introduced in VS2010. The VC++ Directories settings used to be located in Tools + Options, Projects and Solutions, VC++ Directories. Global settings that applied to every project that was built on the machine. It is still there but points ...
Convert char to int in C#
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150
Interesting answers but the docs say differently:
Use the GetNumericValue methods to
conve...