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Difference between variable declaration syntaxes in Javascript (including global variables)?

...ct (it has the value undefined instead). Deleting properties What do I mean by "deleting" or "removing" a? Exactly that: Removing the property (entirely) via the delete keyword: window.a = 0; display("'a' in window? " + ('a' in window)); // displays "true" delete window.a; display("'a' in windo...
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How can I change the color of my prompt in zsh (different from normal text)?

... the %{...%} means that the content will be interpreted as a literal escape sequence, so the cursor wont move while printing the sequence. If you dont use this, the color codes can actually move the cursor and produce undesired effects. T...
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Calling parent class __init__ with multiple inheritance, what's the right way?

...().__init__() in object-subclasses is my personal recommendation and by no means an agreed-upon consensus in the python community. Some people prefer to use super in every class, arguing that you can always write an adapter if the class doesn't behave as you expect.) This also means that you should...
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Difference between BeautifulSoup and Scrapy crawler?

... which is faster , I mean i am using BeautifulSoup and it takes around 10sec to scrap data ? does scrapy faster than beautifulsoup ? – shuboy2014 Jun 22 '16 at 9:38 ...
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Spring Boot not serving static content

....PathResourceResolver. Suffix pattern matching is enabled by default which means for a request URL /index.html, Spring is going to look for handlers corresponding to /index.html. This is an issue if the intention is to serve static content. To disable that, extend WebMvcConfigurerAdapter (but don't ...
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Why would anyone use set instead of unordered_set?

...d to overlook the fact that hashtables have O(1) average-case access time, meaning they can occasionally have big delays. The distinction can be important for real-time systems. – j_random_hacker Sep 3 '09 at 8:44 ...
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What is “export default” in javascript?

... This answer is better than accepted one because it explains what default mean and for me the question was about this word. – Dariusz Sikorski Jun 4 '16 at 6:16 1 ...
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SQL Server String or binary data would be truncated

... As others have already said, one of your columns datatypes in the source table is larger than your destination columns. A simple solution is to simply turn off the warning and allow truncation to take place. So, if you're receiving this error but yo...
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Razor MVC Populating Javascript array with Model Array

... @mmcrae, @d is declared inside the foreach loop. Notice the d has the term VAR in front. That enables it to be used inside the foreach loop – JhWebDev Apr 4 '19 at 16:45 ...
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What is the best way to iterate over a dictionary?

...is IOrderedEnumerable<KeyValuePair<TKey, TValue>>. Perhaps you meant something else? Can you write a complete line showing what you mean (and test it)? – Stéphane Gourichon Sep 23 '16 at 14:30 ...