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How to get the number of characters in a std::string?
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If you're using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str <<...
How to change package name of Android Project in Eclipse?
...ckbox because by making "check" to this check-box, it will make changes to all the references of the package which are referred by other components of project.
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In WPF, what are the differences between the x:Name and Name attributes?
The title says it all. Sometimes it seems that the Name and x:Name attributes are interchangeable.
15 Answers
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Add custom headers to WebView resource requests - android
...er for extraHeaders , but those are only applied to the initial request. All subsequent requests do not contain the headers. I have looked at all overrides in WebViewClient , but nothing allows for adding headers to resource requests - onLoadResource(WebView view, String url) . Any help would...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
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They all do different things, since matplotlib uses a hierarchical order in which a figure window contains a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods ...
Remove characters after specific character in string, then remove substring?
...t I couldn't find quite what I needed (except in another language: Remove All Text After Certain Point ).
8 Answers
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
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Marking a reference field with CascadeType.REMOVE (or CascadeType.ALL,
which includes REMOVE) indicates that remove operations should be
cascaded automatically to entity objects that are referenced by that
field (multiple entity objects can be referenced by a collection
field):
@En...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...a transaction secure though? It seems it could be easily hacked to artificially increase counts. This could be bad for voting systems.
– Soviut
Apr 7 '14 at 6:10
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
.....] Boolean values behave like the values 0 and 1, respectively, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively.
There is also, for Python 2:
In numeric contexts (for example when used as the argument to an ...
Does MongoDB's $in clause guarantee order
...d index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ].
Approach using Aggregate
var list = [ 4, 2, 8 ];
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