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Unnecessary curly braces in C++?
...mment about the chunk.
e.g.
{ // update the moving average
i= (i+1) mod ARRAYSIZE;
sum = sum - A[i];
A[i] = new_value;
sum = sum + new_value;
average = sum / ARRAYSIZE ;
}
You might argue I should write a function to do all that. If I only do it once, writing a function just...
How can I calculate an md5 checksum of a directory?
... no compression just a read. It is unique because the content contains the mod time and size of file ;)
– Sid
Oct 3 '12 at 1:14
...
How can I apply a function to every row/column of a matrix in MATLAB?
...nctions — bitand, bitor, bitxor
Elementary math functions — max, min, mod, rem, hypot, atan2, atan2d
For example, you can calculate the mean of each column in a matrix A,
and then subtract the vector of mean values from each column with A -
mean(A).
Previously, this functionality...
CSS styling in Django forms
...orms.TextInput(attrs={'class' : 'myfieldclass'}))
or
class MyForm(forms.ModelForm):
class Meta:
model = MyModel
def __init__(self, *args, **kwargs):
super(MyForm, self).__init__(*args, **kwargs)
self.fields['myfield'].widget.attrs.update({'class' : 'myfieldclass'}...
diff to output only the file names
...Stack Exchange, but I'll copy it here as well:
To create a list of new or modified files programmatically the best solution I could come up with is using rsync, sort, and uniq:
(rsync -rcn --out-format="%n" old/ new/ && rsync -rcn --out-format="%n" new/ old/) | sort | uniq
Let me explain...
使用 XML 和 Web 服务 · App Inventor 2 中文网
...= new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...字符串，它提供了data()接口，使得能够获得内部数组的首地址，它提供了size(), 能够得其固定的长度，使得C++的数组也可以像Java等语言那样知道自己的length；它提供了begin(), end()等接口使得“数组”也可以和STL血脉相容；它还提...
Why is jquery's .ajax() method not sending my session cookie?
...hanks! I needed to add these in public root .htaccess of my website: <IfModule mod_headers.c> Header set Access-Control-Allow-Origin "localhost" Header set Access-Control-Allow-Credentials "true" </IfModule>
– Vinay Vissh
Jun 4 '17 at 19:10
...
How to include package data with setuptools/distribute?
...e up with is to include both package_data and MANIFEST.in in order to accommodate both bdist and sdist.
– Wesley Baugh
Mar 5 '13 at 0:41
7
...
How do I retrieve an HTML element's actual width and height?
... Beware! offsetHeight/offsetWidth can return 0 if you've done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:59
...