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Read environment variables in Node.js
... but don't forget that assigning a property on process.env will implicitly convert the value to a string.
Avoid Boolean Logic
Even if your .env file defines a variable like SHOULD_SEND=false or SHOULD_SEND=0, the values will be converted to strings (“false” and “0” respectively) and not...
Can I use a collection initializer for Dictionary entries?
...
var names = new Dictionary<int, string> {
{ 1, "Adam" },
{ 2, "Bart" },
{ 3, "Charlie" }
};
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Shared-memory objects in multiprocessing
...ray_base = multiprocessing.RawArray(ctype, np.prod(dimensions))
# convert to numpy array vie ctypeslib
self.shared_arrays[self.cur] = np.ctypeslib.as_array(shared_array_base)
# do a reshape for correct dimensions
# Returns a masked array containing the s...
Javascript: formatting a rounded number to N decimals
... this is not a common way, e.g, toFixed(16.775, 2) return 16.77. Convert number to String then convert is the only way.
– hiway
Jun 4 '14 at 3:49
2
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Keystore type: which one to use?
... from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to use the PKCS12 type directly. It's possible to convert formats, but it's ...
How to get a tab character?
...answers, they added extra vertical line breaks as well.
Each tab can be converted to a sequence non-breaking spaces which require no wrapping.
"&nbsp;&nbsp;&nbsp;&nbsp;"
This is not recommended for repeated/extensive use within a page. A div margin/padding approach would ap...
What's the best way to inverse sort in scala?
..._.size).reverse)
Maybe not the shortest to write (compared to minus) but intent is clear
Update
The last line does not work. To accept the _ in Ordering.by(_.size), the compiler needs to know on which type we are ordering, so that it may type the _. It may seems that would be the type of the ele...
Ignoring new fields on JSON objects using Jackson [duplicate]
I'm using Jackson JSON library to convert some JSON objects to POJO classes on an android application. The problem is, the JSON objects might change and have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...列表并绑定对象，图像控件的建立方法如下
BOOL Create（int cx，int cy，UINT nFlags，int nInitial，int nGrow）;
BOOL Create（UINT nBitmapID，int cx，int nGrow，COLORREF crMask）;
BOOL Create（LPCTSTR lpszBitmapID，int cx，int nGrow，COLORREF crMask）;
BOOL Create...
What is the difference between _tmain() and main() in C++?
... extension.
main is, according to the C++ standard, the program's entry point.
It has one of these two signatures:
int main();
int main(int argc, char* argv[]);
Microsoft has added a wmain which replaces the second signature with this:
int wmain(int argc, wchar_t* argv[]);
And then, to make i...