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What is a “cache-friendly” code?
...reases the number from 2 to N+1. Organizing a cache into more "ways" takes extra circuitry and generally runs slower, so (for example) an 8192-way set associative cache is rarely a good solution either.
Ultimately, this factor is more difficult to control in portable code though. Your control over w...
E11000 duplicate key error index in mongodb mongoose
...
var userSchema = new mongoose.Schema({
local: {
name: { type: String },
email : { type: String, require: true, index:true, unique:true,sparse:true},
password: { type: String, require:true },
},
facebook: {
id : { type: String },
token : { type:...
How to integrate CSS pre-processing within Eclipse? [closed]
...
+1 for not installing any extra tools and using eclipse as is... Another option could be "colorer.sourceforge.net/eclipsecolorer"
– spankmaster79
Nov 5 '12 at 10:51
...
Declaration/definition of variables locations in ObjectiveC?
...In ObjC, they should only be used to declare constants, and generally only string constants. For instance:
extern NSString * const MYSomethingHappenedNotification;
You would then in your .m file declare the actual constant:
NSString * const MYSomethingHappenedNotification = @"MYSomethingHappened...
Access POST values in Symfony2 request object
... $deep parameter to true and access the required deep nested value without extra variable:
$request->request->get('form[some][deep][data]', null, true);
Also you have possibility to set a default value (2nd parameter of get() method), it can avoid redundant isset($form['some']['deep']['data...
Default implementation for Object.GetHashCode()
...already been added into a dictionary, reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why string overrides GetHashCode. On the other hand, suppose you want to kee...
Most efficient method to groupby on an array of objects
...ypeScript signature: var groupBy = function<TItem>(xs: TItem[], key: string) : {[key: string]: TItem[]} { ...
– Michael Sandino
Dec 7 '17 at 9:47
...
Convert Long into Integer
...;
public class DateFormatSampleCode {
public static void main(String[] args) {
long longValue = 1223321L;
int longTointValue = toIntExact(longValue);
System.out.println(longTointValue);
}
}
...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...for the array passed to your function by checking the .length property for string function or by some other means.
function CountParam(aParam)
{
var strPresent = "Parameter is : " + (aParam.length>0 ? "Present": "Not present");
return strPresent;
}
The same technique may be used ...
How to write into a file in PHP?
...get file
$cd = stripslashes($_POST['code']);
// Show the msg, if the code string is empty
if (empty($cd))
echo "Nothing to write";
// if the code string is not empty then open the target file and put form data in it
else
{
$file = fopen("demo.php", "w");
echo fwrite($file, $cd);
/...