大约有 15,461 项符合查询结果（耗时：0.0266秒） [XML]
At runtime, find all classes in a Java application that extend a base class
...ass) {
List list = aClass.newInstance();
list.add("test");
System.out.println(list.getClass().getName() + ": " + list.size());
}
}
}
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Difference between __str__ and __repr__?
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In my unit tests I always check that eval(repr(foo)) evaluates to an object equal to foo. You're right that it won't work outside of my test cases since I don't know how the module is imported, but this at least ensures that it works in...
How to delete all rows from all tables in a SQL Server database?
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If you have a table, for example, called test.Table1, where "test" is the schema, your deletes will fail if trying to execute "DELETE FROM Table1". It needs to be DELETE FROM test.Table1.
– influent
Jan 22 '18 at 19:03
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What are the functional differences between NW.js, Brackets-Shell and Electron?
...upport: HTML5, CSS3, JS via Chromium - so far, zero issues, but I have not tested video specifically.
Native Features: Native App Menus, Task Tray Support, Global Hotkeys, Protocol Handler Support (that I've seen so far)
Extensibility: Excellent Node.js integration, both the client and server can "r...
Postgres: clear entire database before re-creating / re-populating from bash script
...elations found in the restore file. This means that if you add a table for testing, then want to remove it (to synchronise with the production DB for example), it will not be removed.
– ianaré
Aug 16 '12 at 16:19
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Design RESTful query API with a long list of query parameters [closed]
....Response;
@Path("/poc")
public class UserService {
@GET
@Path("/test/")
@Produces(MediaType.APPLICATION_JSON)
public Response test(@QueryParam("code") final List<Integer> code) {
Integer int0 = codigo.get(0);
Integer int1 = codigo.get(1);
...
Efficient way to determine number of digits in an integer
...ll be mostly small ones (I'm guessing less than 100,000), then reverse the tests: if (x < 10) return 1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster.
– squelart
Sep 28 '09 at 23:44
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WKWebView not loading local files under iOS 8
...-around here. IMO code shown in https://github.com/shazron/WKWebViewFIleUrlTest is full of unrelated details most people are probably not interested in.
The work-around is 20 lines of code, error handling and comments included, no need of a server :)
func fileURLForBuggyWKWebView8(fileURL: URL) th...
C# DateTime.Now precision
...n into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond increments.
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...an:
use different sets of config values for different environments (dev, test, prod)
provide for sensible defaults for each setting
control how values are defined and instantiated
It's tedious to set up but performs well, hides references to key names, and is strongly typed. This kind of patter...