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Unit testing code with a file system dependency
...reated -- and that you don't accidentally overwrite an existing file that happened to have the same filename as a temporary file you were using. Always use relative paths and not absolute paths.
It would also be a good idea to chdir() into a temporary directory before running your test, and chdir(...
How do I copy an object in Java?
...can use Java Object Serialization to make a deep copy. Unfortunately, this approach has some problems too(detailed examples).
Possible Problems:
clone is tricky to implement correctly.
It's better to use Defensive copying, copy constructors(as @egaga reply) or static factory methods.
If you hav...
Transaction isolation levels relation with locks on table
...(yes, two tables can be logically but not physically related in real-world apps =\).
READ COMMITTED - lock on committed data. You can read the data that was only committed. This means A writes data and B can't read the data saved by A until A executes a commit. The problem here is that C can update ...
prevent property from being serialized in web API
...
ASP.NET Web API uses Json.Net as default formatter, so if your application just only uses JSON as data format, you can use [JsonIgnore] to ignore property for serialization:
public class Foo
{
public int Id { get; set; }
public string Name { get; set; }
[JsonIgnore]
pub...
Having Django serve downloadable files
... django.utils.encoding import smart_str
response = HttpResponse(mimetype='application/force-download') # mimetype is replaced by content_type for django 1.7
response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(file_name)
response['X-Sendfile'] = smart_str(path_to_file)
# It's usu...
How do you count the lines of code in a Visual Studio solution?
...ecurse | select-string .).Count
909402
PS C:\Other>
Why use an entire app when a single command-line will do it? :)
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Best way to resolve file path too long exception
I created a app that downloads all document libraries in a SP Site , but at one point it giving me this error (I tried looking at google but couldn;t find anything, now if anyone knows any trick to solve this problem please respond otherwise thanks for looking at it)
...
Utils to read resource text file to String (Java) [closed]
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@JonSkeet This is great, however for web applications it might not be the best solution, the implementation of getResource is using Resource.class.getClassLoader but in web applications, this might not be "your" class loader, so it's recommended (e.g. in [1]) to use...
How do I load an HTML page in a using JavaScript?
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Fetching HTML the modern Javascript way
This approach makes use of modern Javascript features like async/await and the fetch API. It downloads HTML as text and then feeds it to the innerHTML of your container element.
/**
* @param {String} url - address for the HTML ...
Missing return statement in a non-void method compiles
... marked as returning int, but in fact does not return, then you should be happy that the compiler flags this, so you can mark the method as void or fix it if you did not intend for that behaviour.
– MikeFHay
May 28 '13 at 14:37
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