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Is cout synchronized/thread-safe?
...afety of something, you should treat it as not thread-safe.
Of particular interest here is the fact that cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shar...
Should I use px or rem value units in my CSS? [closed]
...e of rem is 10px which means any value you might have written in px can be converted directly to rem by bumping a decimal place.
padding: 20px;
turns into
padding: 2rem;
The apparent font-size you choose is up to you, so if you want there's no reason you can't use:
:root {
font-size: 6.25%;...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
About[size=15.008px]Introducing TextEnhancer, the ultimate extension for enhancing text formatting in your App Inventor projects! With TextEnhancer, you can effortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustificati...
How to return multiple values? [duplicate]
...ore than 1 value that are related, then it makes sense to encapsulate them into a class and then return an object of that class.
If you want to return unrelated values, then you can use Java's built-in container classes like Map, List, Set etc. Check the java.util package's JavaDoc for more details...
Is there a way to iterate over a dictionary?
...supports fast enumeration. With Objective-C 2.0, you can do this:
// To print out all key-value pairs in the NSDictionary myDict
for(id key in myDict)
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
The alternate method (which you have to use if you're targeting Mac OS X pre-10.5, ...
How to add calendar events in Android?
...ws calendar apps. There are some common data formats (e.g., iCalendar) and Internet protocols (e.g., CalDAV), but no common API. Some calendar apps don't even offer an API.
If there are specific calendar applications you wish to integrate with, contact their developers and determine if they offer a...
How do I round a decimal value to 2 decimal places (for output on a page)
...cimal and Double type ToString method accepts argument for formatting. Try converting your value to Decimal/Double first.
– sohaiby
Mar 13 '16 at 8:05
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Java ArrayList replace at specific index
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Check out the set(int index, E element) method in the List interface
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How can I loop through a List and grab each item?
...WriteLine("amount is {0}, and type is {1}", item.amount, item.type);
for (int i = 0; i < myMoney.Count; i++)
Console.WriteLine("amount is {0}, and type is {1}", myMoney[i].amount, myMoney[i].type);
myMoney.ForEach(item => Console.WriteLine("amount is {0}, and type is {1}", item.amount, i...
How to display the current year in a Django template?
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The full tag to print just the current year is {% now "Y" %}. Note that the Y must be in quotes.
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