大约有 40,000 项符合查询结果(耗时:0.0431秒) [XML]
Is it safe to use Project Lombok? [closed]
...tations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 different fields that need to be constructed and hidden with getters. I could remove almost a thousand lines of code with this.
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mysql check collation of a table
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The above answer is great, but it doesn't actually provide an example that saves the user from having to look up the syntax:
show table status like 'test';
Where test is the table name.
(Corrected as per comments below.)
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Task continuation on UI thread
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Call the continuation with TaskScheduler.FromCurrentSynchronizationContext():
Task UITask= task.ContinueWith(() =>
{
this.TextBlock1.Text = "Complete";
}, TaskScheduler.FromCurrentSynchronizationContext()...
Is there a recommended way to return an image using ASP.NET Web API
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Images are heavy. ASP.NET WebForms, HttpHandlers, MVC, and Web API all do a absolutely terrible job of serving static files. IIS does an extremely good job of that - Often 20-100x more efficiently.
If you want to get good performance, do URL rewriting at the latest during PostAuthorizeRequ...
Lock Escalation - What's happening here?
... to take fewer, larger locks (e.g. entire table) instead of locking many smaller things (e.g. row locks).
But this can be problematic when you have a huge table, because taking a lock on the entire table may lock out other queries for a long time. That's the tradeoff: many small-granularity locks...
Is there a benefit to defining a class inside another class in Python?
What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Where is the “Fold” LINQ Extension Method?
I found in MSDN's Linq samples a neat method called Fold() that I want to use. Their example:
2 Answers
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Why do I need 'b' to encode a string with Base64?
...-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 ha...
The order of keys in dictionaries
...as a simplified example; it may or may not have any relation to how he actually plans to use it. I have previously encountered people who expected OrderedDict to return arbitrary insertions in sorted order, and so I felt I should point this out.
– Hugh Bothwell
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time,...
