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What's the $unwind operator in MongoDB?

...bsHGS Labs 2,45611 gold badge99 silver badges33 bronze badges add a comment  |  ...
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Using smart pointers for class members

...nter here because I meant this to be a short answer that one could generalize to the case where device could be nullptr, and to show that raw pointers are OK as long as one does not use them for manual memory management. - END NOTE 2] The situation is radically different, of course, if your Setti...
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Add new item count to icon on button - Android

...ircle with a border. An XML drawable will scale to fit the view as it resizes with more or less text. res/drawable/badge_circle.xml: <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval"> <solid android:color="#F00" /> <stroke android:...
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Comparing date part only without comparing time in JavaScript

...of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dates. For example, date1 = new Date() date2 = new Date(2011,8,20) date2 will be set with hours, minutes, seconds and milliseconds to zero, but date1 will have them set to the time that date1 wa...
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Differences between Java 8 Date Time API (java.time) and Joda-Time

...n milliseconds). Null Joda-Time often use NULL as default for system timezone, default locale, current timestamp etc. while JSR-310 almost always rejects NULL values. Precision JSR-310 handles nanosecond precision while Joda-Time is limited to millisecond precision. Supported fields: An overv...
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Why use double indirection? or Why use pointers to pointers?

...ry; char ******lol; //fill data structure word = malloc(4 * sizeof *word); // assume it worked strcpy(word, "foo"); sentence = malloc(4 * sizeof *sentence); // assume it worked sentence[0] = word; sentence[1] = word; sentence[2] = word; sentence[3] = NULL; ...
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How to use base class's constructors and assignment operator in C++?

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Difference between thread's context class loader and normal classloader

...s 82k1919 gold badges154154 silver badges239239 bronze badges answered Nov 20 '09 at 16:42 David RousselDavid Roussel 5,11911 gold...
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Whitespace Matching Regex - Java

...euron 3,54333 gold badges2323 silver badges4040 bronze badges answered Jan 19 '11 at 2:02 Raph LevienRaph Levien 4,7882020 silver ...
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What is the difference between server side cookie and client side cookie?

...Suave 23.3k55 gold badges7676 silver badges6767 bronze badges answered Aug 3 '11 at 10:17 filippofilippo 2,60811 gold badge1515 si...