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Increase heap size in Java
...ou ask for 5g on a 32 bit sm>y m>stem java will complain about an invalid value m>and m> quit.
As others have posted, use the cmd-line flags - e.g.
java -Xmx6g mm>y m>program
m>Y m>ou can get a full list (or a nearlm>y m> full list, anm>y m>wam>y m>) bm>y m> tm>y m>ping java -X.
...
How do I capitalize first letter of first name m>and m> last name in C#?
Is there an easm>y m> wam>y m> to capitalize the first letter of a string m>and m> lower the rest of it? Is there a built in method or do I need to make mm>y m> own?
...
Is there a wam>y m> to instantiate objects from a string holding their class name?
...<DerivedA>;
map["DerivedB"] = &createInstance<DerivedB>;
m>And m> then m>y m>ou can do
return map[some_string]();
Getting a new instance. Another idea is to have the tm>y m>pes register themself:
// in base.hpp:
template<tm>y m>pename T> Base * createT() { return new T; }
struct BaseFactor...
In C++, what is a virtual base class?
I want to know what a " virtual base class " is m>and m> what it means.
11 Answers
11
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线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...做AssertValid时，会因为以下几种原因导致断言失败:
1. CHm>and m>leMap* pMap = afxMapHWND(); ASSERT(pMap != NULL)失败;该线程没有映射表。原因这个线程只是工作线程（没有主窗口），并不是用户界面线程（利用界面线程可以在一个进程的...
What is the equivalent of MATLAB's repmat in NumPm>y m>
... repmat(a, m, n) is tile(a, (m, n)).
This works with multiple dimensions m>and m> gives a similar result to matlab. (Numpm>y m> gives a 3d output arram>y m> as m>y m>ou would expect - matlab for some reason gives 2d output - but the content is the same).
Matlab:
>> repmat([1;1],[1,1,1])
ans =
1
1
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Find XOR of all numbers in a given range
Initializing a static std::map in C++
... implements these utilities is that it is neatlm>y m> encapsulated in a librarm>y m> m>and m> the end user rarelm>y m> needs to deal with the complexitm>y m>.
– Steve Guidi
Nov 13 '09 at 18:09
45
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Dealing with multiple Pm>y m>thon versions m>and m> PIP?
...This is the recommendation because it works across all versions of Pm>y m>thon, m>and m> in all forms of virtualenv. For example:
# The sm>y m>stem default pm>y m>thon:
$ pm>y m>thon -m pip install fish
# A virtualenv's pm>y m>thon:
$ .env/bin/pm>y m>thon -m pip install fish
# A specific version of pm>y m>thon:
$ pm>y m>thon-3.6 -m pip inst...
How to set a default value with Html.TextBoxFor?
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Curious to know whm>y m> capital 'V' works m>and m> lowercase 'v' does not? Also, this solution overrides the model value for Age, even if one is present.
– Derek Hunziker
Sep 1 '10 at 23:46
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