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Recommended way to insert elements into map [duplicate]
... is not a recommended way - it is one of the ways to insert into map. The difference with operator[] is that the insert can tell whether the element is inserted into the map. Also, if your class has no default constructor, you are forced to use insert.
operator[] needs the default constructor be...
Is Java's assertEquals method reliable?
...)
Here is a link to a great Stackoverflow question regarding some of the differences between == and .equals().
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Check if a value is in an array (C#)
How do I check if a value is in an array in C#?
10 Answers
10
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from list of integers, get number closest to a given value
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If we are not sure that the list is sorted, we could use the built-in min() function, to find the element which has the minimum distance from the specified number.
>>> min(myList, key=lambda x:abs(x-myNumber))
4
N...
How do I create a new Swift project without using Storyboards?
...ect in XCode 6 doesn't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data.
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Remove a string from the beginning of a string
... form, without regex:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
if (substr($str, 0, strlen($prefix)) == $prefix) {
$str = substr($str, strlen($prefix));
}
Takes: 0.0369 ms (0.000,036,954 seconds)
And with:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
$str = preg_replace('/^...
In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... like to translate exceptions when passing a layer boundary. For example, if I'm passing up from my persistence layer, I would like to convert an SQL exception to a persistence exception, since the next layer up shouldn't care that I'm persisting to a SQL database, but will want to know if somethin...
Why does string::compare return an int?
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First, the specification is that it will return a value less
than, equal to or greater than 0, not necessarily -1 or 1.
Secondly, return values are rvalues, subject to integral
promotion, so there's no point in returning anything smaller.
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How do I group Windows Form radio buttons?
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@UweB what if I cant add group boxes and panels due to any problem let say I don't have much space on my form. Then?
– Muhammad Saqib
Jan 3 '15 at 10:29
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How can I force users to access my page over HTTPS instead of HTTP?
...e). How do I do this without making the whole directory require HTTPS? Or, if you submit a form to an HTTPS page from an HTTP page, does it send it by HTTPS instead of HTTP?
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