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MongoDB - Update objects in a document's array (nested updating)
...: 123456, "items.item_name" : {$ne : "my_item_two" }} ,
{$addToSet : {"items" : {'item_name' : "my_item_two" , 'price' : 1 }} } ,
false ,
true);
For your question #2, the answer is easier. To increment the total and the price of item_three in any d...
Convert Mercurial project to Git [duplicate]
... current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
...
Grid of responsive squares
...eeping elements square (or whatever other aspect ratio) is to use percent padding-bottom.
Side note: you can use top padding too or top/bottom margin but the background of the element won't display.
As top padding is calculated according to the width of the parent element (See MDN for reference), t...
Bold & Non-Bold Text In A Single UILabel?
...nd simpler than 2 UILabels. (iOS 3.2 and above)
Example.
Don't forget to add QuartzCore framework (needed for CALayers), and CoreText (needed for the attributed string.)
#import <QuartzCore/QuartzCore.h>
#import <CoreText/CoreText.h>
Below example will add a sublayer to the toolbar ...
General guidelines to avoid memory leaks in C++ [closed]
...
Instead of managing memory manually, try to use smart pointers where applicable.
Take a look at the Boost lib, TR1, and smart pointers.
Also smart pointers are now a part of C++ standard called C++11.
...
Example JavaScript code to parse CSV data
... // Since we have reached a new row of data,
// add an empty row to our data array.
arrData.push( [] );
}
var strMatchedValue;
// Now that we have our delimiter out of the way,
// let's check to see which k...
How to use QueryPerformanceCounter?
... << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryPerformanceCounter(&li);
CounterStart = li.QuadPart;
}
double GetCounter()
{
LARGE_INTEGER li;
QueryPerformanceCounter(&li);
return double(li.QuadPart-CounterStart)/PCFreq;
}
...
When to use valueChangeListener or f:ajax listener?
...ke to submit the form during the HTML DOM change event, then you'd need to add another <f:ajax/> without a listener(!) to the input component. It will cause a form submit which processes only the current component (as in execute="@this").
<h:selectOneMenu value="#{bean.value}" valueChangeL...
Rendering JSON in controller
I was reading a book and in a chapter about Controllers when it talks about rendering stuff, for JSON it has an example like this but doesn't go in to details so I couldn't figure out the bigger picture that this example fits in:
...
What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each
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Eugenio PaceEugenio Pace
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