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When should I use a struct instead of a class?
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I am surprised I have not read at any of the previous answer this, which I consider the most crucial aspect :
I use structs when I want a type with no identity. For example a 3D point:
public struct ThreeDimensionalPoint
{
public readonly int X,...
Convert JSON string to dict using Python
...ke the vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be im...
What is a “slug” in Django?
When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
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Generating CSV file for Excel, how to have a newline inside a value
...rrectly, and row structure is not damaged, and all national characters are read properly (they were trashed when reading without UTF8 BOM). Excel have not even displayed the text-import wizard. Currently, that CSV now has EFBBBF header, uses 0A as row separator, and 0D0A as new line inside strings i...
Can Retrofit with OKHttp use cache data when offline
... if (Utils.isNetworkAvailable(context)) {
int maxAge = 60; // read from cache for 1 minute
return originalResponse.newBuilder()
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
} else {
int maxStale =...
How to write a UTF-8 file with Java?
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@Smarty only if you are already using Apache Commons. Otherwise it seems an awful waste to include yet another jar just because you don't want to write a few more characters.
– Jason
Jan 10 '14 at 1:03
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IIS_IUSRS and IUSR permissions in IIS8
...e MACHINE_NAME\IIS_IUSRS is listed. This means that IIS automatically has read-only permission on the directory (e.g. to run ASP.Net in the site). You do not need to edit this entry.
Click the Edit button, then Add...
In the text box, type IIS AppPool\MyApplicationPoolName, substituting MyApplic...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...The CIL for both is the same. Most people find while(true) to be easier to read and understand. for(;;) is rather cryptic.
Source:
I messed a little more with .NET Reflector, and I compiled both loops with the "Optimize Code" on in Visual Studio.
Both loops compile into (with .NET Reflector):
Label_...
Generating file to download with Django
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I opened my file in read mode then file.getvalue() is giving attribute error : TextIOWrapper has no attribute getValue .
– Shubham Srivastava
Apr 13 '18 at 20:41
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Resolve promises one after another (i.e. in sequence)?
Consider the following code that reads an array of files in a serial/sequential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
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