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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...ngth arrays
support for one-line comments beginning with //, as in BCPL or C++
new library functions, such as snprintf
new header files, such as stdbool.h and inttypes.h
type-generic math functions (tgmath.h)
improved support for IEEE floating point
designated initializers
compound literals
support ...
Ruby off the rails
...
We are mainly a C++ shop, but we've found several areas where Ruby has proven quite useful. Here are a few:
Code Generation - Built several DSLs to generate C++/Java/C# code from single input files
Build Support
scripts to generate Make...
How to detect a Christmas Tree? [closed]
...ng");
// 1. Threshold
threshold.setAttribute("threshold", 200);
threshold.process(tree.clone(), tree);
}
}
public static void main(String[] args) {
new ChristmasTree();
}
}
In the second step, the brightest points in the image are dilated in order to form shapes. T...
What is the difference between linear regression and logistic regression?
...anted to predict, based on size, whether a house would sell for more than $200K, you would use logistic regression. The possible outputs are either Yes, the house will sell for more than $200K, or No, the house will not.
sha...
Map enum in JPA with fixed values?
...mplements Serializable {
public enum Right {
READ(100), WRITE(200), EDITOR (300);
private int value;
Right(int value) { this.value = value; }
public int getValue() { return value; }
public static Right parse(int id) {
Right right = nul...
What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
...
Input widths on Bootstrap 3
...ng 'col-lg-1', the logic you're employing is:
IF SCREEN WIDTH < 'lg' (1200px by default)
USE DEFAULT BLOCK BEHAVIOUR (width=100%)
ELSE
APPLY 'col-lg-1' (~95px)
See Bootstrap 3 grid system for more info. I hope I was clear otherwise let me know and I'd elaborate.
...
How to prevent long words from breaking my div?
...an achieve the same with zero-width space character &#8203; (or &#x200B).
FYI there's also CSS hyphens: auto supported by latest IE, Firefox and Safari (but currently not Chrome):
div.breaking {
hyphens: auto;
}
However that hyphenation is based on a hyphenation dictionary and it's not g...
CSS center text (horizontally and vertically) inside a div block
... when there are multiple lines of text - like this.
.parent {
height: 200px;
width: 400px;
text-align: center;
}
.parent > .child {
line-height: 200px;
}
Methods 4 and 5 aren't the most reliable. Go with one of the first 3.
...
Why do we use volatile keyword? [duplicate]
... code. Now search the web to see some sample examples.
Quoting from the C++ Standard ($7.1.5.1/8)
[..] volatile is a hint to the
implementation to avoid aggressive
optimization involving the object
because the value of the object might
be changed by means undetectable by an
implemen...