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Advantages of std::for_each over for loop
...) {
my_monkey->eat(*i);
}
But new range based for is probably the best:
for (auto& b : bananas)
my_monkey.eat(b);
But the for_each could be useful, especially if you have several functions to call in order but need to run each method for all objects before next... but maybe that'...
Print list without brackets in a single row
...st):
File "<stdin>", line 1, in <module>
TypeError: sequence item 0: expected string, int found
>>> sarr = [str(a) for a in arr]
>>> print(", " . join(sarr))
1, 2, 4, 3
>>>
Direct using of join which will join the integer and string will throw error as show...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
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update columns values with column of another table based on condition [duplicate]
...=(SELECT table2.price
FROM table2
WHERE table2.id=table1.id AND table2.item=table1.item);
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“User interaction is not allowed” trying to sign an OSX app using codesign
...lick on something that matches 'change settings for <your_keychain>' best.
– rubybeginner
Apr 14 '16 at 10:18
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How to compare arrays in JavaScript?
...think is the simplest way to do it using JSON stringify, and it may be the best solution in some situations:
JSON.stringify(a1) === JSON.stringify(a2);
This converts the objects a1 and a2 into strings so they can be compared. The order is important in most cases, for that can sort the object usin...
Java LinkedHashMap get first or last entry
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It is still faster to iterate and keep the last item. T last = null ; for( T item : linkedHashMap.values() ) last = item; Or something like that. It is O(N) in time but O(1) in memory.
– Florian F
Jul 27 '17 at 12:29
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TimeStamp on file name using PowerShell
...d)$ext"
And if the path happens to be coming from the output of Get-ChildItem:
Get-ChildItem *.zip | Foreach {
"$($_.DirectoryName)\$($_.BaseName) $(get-date -f yyyy-MM-dd)$($_.extension)"}
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Returning unique_ptr from functions
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I think it's perfectly explained in item 25 of Scott Meyers' Effective Modern C++. Here's an excerpt:
The part of the Standard blessing the RVO goes on to say that if the conditions for the RVO are met, but compilers choose not to perform copy elision, th...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
I am attempting to create a custom Adapter for my ListView since each item in the list can have a different view (a link, toggle, or radio group), but when I try to run the Activity that uses the ListView I receive an error and the app stops. The application is targeted for the Android 1.6 platform....