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Choice between vector::resize() and vector::reserve()
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The two functions do vastly different things!
The resize() method (and passing argument to constructor is equivalent to that) will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the ...
Where to put the doxygen comment blocks for an internal library - in H or in CPP files? [closed]
...libraries that are mean to be distributed without its source (only headers and libs with object code).
8 Answers
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TypeError: 'NoneType' object is not iterable in Python
...al life other than making us insert few ugly if data is not None: kind of handling.
– nehem
Sep 1 '17 at 6:59
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
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I actually just implemented this on one of my projects (your question and the other wrong answer hinted at what to do). I tried Sergio's answer but had exception issues when actually running on a device.
Yes you create two fetch results controllers: one for the normal display and another one ...
What is the difference between encode/decode?
I've never been sure that I understand the difference between str/unicode decode and encode.
6 Answers
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what is reverse() in Django
...e sure what this is but it is used together with HttpResponseRedirect. How and when is this reverse() supposed to be used?
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Change an HTML5 input's placeholder color with CSS
...here are three different implementations: pseudo-elements, pseudo-classes, and nothing.
WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. [Ref]
Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon)....
Unlimited Bash History [closed]
...want my .bash_history file to be unlimited. e.g. So I can always go back and see how I built/configured something, or what that nifty command was, or how some command broke something weeks ago. How do I change this setting?
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How do you do block comments in YAML?
... Comments begin with the number sign ( # ), can start anywhere on a line, and continue until the end of the line
A comparison with JSON, also from Wikipedia:
The syntax differences are subtle and seldom arise in practice: JSON allows extended charactersets like UTF-32, YAML requires a space a...
Multiple contexts with the same path error running web service in Eclipse using Tomcat
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Search for the server.xml file and check your <Context> tags, probably there are multiple definitions for the same path. Remove the duplicates and it should work for you.
Check out the answer here.
Auto-format the xml file (control + shift + f) sin...