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How to forward declare a template class in namespace std?
... pattern, forward declaration).
The solution is as follows:
In the *.cpp file, you must include the Header file that you forward, i.e.
ifndef STATE_H_
#define STATE_H_
#include <stdlib.h>
#include "Frame.h"
template <class T>
class LinkFrame;
using namespace std;
template <class...
possibly undefined macro: AC_MSG_ERROR
...aclocal.m4 and so on.
Adding ACLOCAL_AMFLAGS = -I m4 (to the toplevel Makefile.am) and AC_CONFIG_MACRO_DIR([m4]) is currently still optional if you do not use any own m4 files, but of course, doing it will silence the proocess :)
...
WAMP shows error 'MSVCR100.dll' is missing when install
...
The MSVCR100.dll file is part of the Microsoft Visual C++, redistributables. You can install them and see if this solves your problem. After you install the above check if your wamp installation is correctly setup. Search for "my wamp icon st...
Multiple constructors in python? [duplicate]
...a:
class C(object):
def __init__(self, fd):
# Assume fd is a file-like object.
self.fd = fd
@classmethod
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethod...
Specifying and saving a figure with exact size in pixels
...: array of image to save in original resolution
:param f_name: name of file where to save figure
:param resize_fact: resize facter wrt shape of arr, in (0, np.infty)
:param dpi: dpi of your screen
:param plt_show: show plot or not
"""
fig = plt.figure(frameon=False)
fig.s...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
I have this error when trying to browse php files locally
8 Answers
8
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What are the differences between Perl, Python, AWK and sed? [closed]
... each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for complex tasks. You can work minor miracles with it - but at a cost to the hair on your head....
What should go into an .h file?
When dividing your code up into multiple files just what exactly should go into an .h file and what should go into a .cpp file?
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Can't start Eclipse - Java was started but returned exit code=13
...
Your version of Eclipse is 64-bit, based on the paths and filenames.
However, the version of Java that it's picking up is 32-bit, as indicated by where it is coming from, on this line:
-vm C:\Program Files (x86)\Java\jre7\bin\javaw.exe
Program Files (x86) is the folder where 64-b...
How to create EditText with rounded corners? [closed]
...
Here is the same solution (with some extra bonus code) in just one XML file:
<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/edittext_rounded_corners.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" ...