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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
Is $(document).ready necessary?
I saw this question in stackoverflow but do not feel that it was answered at all.
5 Answers
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How to create a protocol with methods that are optional?
...d methods marked optional in several protocols defined in the iPhone SDK, such as the UIActionSheetDelegate protocol for example.
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Filtering a list of strings based on contents
Given the list ['a','ab','abc','bac'] , I want to compute a list with strings that have 'ab' in them. I.e. the result is ['ab','abc'] . How can this be done in Python?
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How to set working/current directory in Vim?
So when I want to create a new file by using the :e command I don't want to specify the whole path, just the new filename. Can it be done?
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How to change the playing speed of videos in HTML5?
...w to change the video play speed in HTML5? I've checked video tag's attributes in w3school but couldn't approach that.Any help would be appreciated!
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how to fire event on file select
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Use the change event on the file input.
$("#file").change(function(){
//submit the form here
});
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postgresql - add boolean column to table set default
Is this proper postgresql syntax to add a column to a table with a default value of false
5 Answers
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How to disable/enable the sleep mode programmatically in iOS?
I have an app that must stay awake until the end of a countdown but it will go into 'sleep mode' whenever it reaches the allocated time to sleep.
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Get current batchfile directory
Firstly, I saw this topic but I couldn't understand that.
4 Answers
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