大约有 47,000 项符合查询结果（耗时：0.0688秒） [XML]
What is the reason not to use select *?
...tle differently. Brittle is normally defined as 'breaks easily'. Having unknown or hard-to-find dependencies because each piece of code will use different columns means I can't easily change anything at the data level without full regression .. which seems brittle.
– Robert Pau...
Using global variables in a function
...bal variables are so dangerous, Python wants to make sure that you really know that's what you're playing with by explicitly requiring the global keyword.
See other answers if you want to share a global variable across modules.
...
Signing a Windows EXE file
...o that Windows will not warn the end user about an application from an "unknown publisher". I am not a Windows developer. The application in question is a screensaver generated from an application that generates screensaver applications. As such I have no influence on how the file is generated.
...
Is there any simple way to find out unused strings in Android project?
... As @FrankHarper said: it did not previously. As Lord Flash said, it does now: Warning: The resource R.string.... appears to be unused [UnusedResources] [lint] <string name="...">some text</string>
– serv-inc
Nov 4 '15 at 8:26
...
How to convert a byte array to a hex string in Java?
...
@maybeWeCouldStealAVan: JDK 7 is now open source. We should submit a patch to improve performance for printHexBinary?
– kevinarpe
Jul 10 '13 at 17:05
...
Getting “NoSuchMethodError: org.hamcrest.Matcher.describeMismatch” when running test in IntelliJ 10.
... I am in that Vacation next week !!!!!! How da hell I could get this error now !!!
– Adelin
Jul 15 '16 at 16:34
|
show 7 more comments
...
Accessing items in an collections.OrderedDict by index
...
It's a new era and with Python 3.6.1 dictionaries now retain their order. These semantics aren't explicit because that would require BDFL approval. But Raymond Hettinger is the next best thing (and funnier) and he makes a pretty strong case that dictionaries will be ordered ...
Check for column name in a SqlDataReader object
...he loop doesn't. It is, however, a completely hypothetical situation right now so it's a very flimsy justification. Regardless, bear with me and see what you think.
Imagine a database that allowed you to "alias" columns within a table. Imagine that I could define a table with a column called "Emplo...
How to disassemble one single function using objdump?
...n page isn't definitive. For a long time it wasn't really maintained, but now I think it's generated from the main docs. Also "gdb --help" is more complete now too.
– Tom Tromey
Oct 18 '14 at 2:33
...
How do I print the type or class of a variable in Swift?
... new Swift 2.0 syntax (e.g. println was replaced with print, toString() is now String()).
From the Xcode 6.3 release notes:
@nschum points out in the comments that the Xcode 6.3 release notes show another way:
Type values now print as the full demangled type name when used with
println or st...