大约有 40,000 项符合查询结果(耗时:0.0753秒) [XML]
MySQL - UPDATE query based on SELECT Query
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You can actually do this one of two ways:
MySQL update join syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax...
Using python map and other functional tools
...trying to produce the result:
foos[0], bars
foos[1], bars
foos[2], bars
# etc.
You could do this by writing a function that takes a single argument and prints it, followed by bars:
def maptest(x):
print x, bars
map(maptest, foos)
Alternatively, you could create a list that looks like this...
Code for Greatest Common Divisor in Python [closed]
... the result will have the same sign as b", hence gcd(1, -1) == -1 seems totally legit to me.
– Marco Bonelli
Jan 11 '15 at 2:30
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Wait for a void async method
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await Task.Run(() => An_async_void_method_I_can_not_modify_now())
– themefield
Mar 12 '19 at 21:46
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Why is there no String.Empty in Java?
... thing jumps in my mind that it's a bug, someone not finished the function etc. With String.EMPTY I know exactly that the developer intended to return an empty string.
– Lakatos Gyula
Mar 3 '15 at 18:32
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See line breaks and carriage returns in editor
Does anyone know of a text editor on Linux that allows me to see line breaks and carriage returns? Does Vim support this feature?
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How can you get the Manifest Version number from the App's (Layout) XML variables?
...ntext.getPackageName(), 0).versionName;
Either of these solutions would allow for placing the version name in XML. Unfortunately there isn't a nice simple solution, like android.R.string.version or something like that.
sh...
How do I add the contents of an iterable to a set?
What is the "one [...] obvious way" to add all items of an iterable to an existing set ?
6 Answers
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Iterate over object keys in node.js
Since Javascript 1.7 there is an Iterator object, which allows this:
5 Answers
5
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Get nested JSON object with GSON using retrofit
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@feresr you can call setConverter(new GsonConverter(gson)) in Retrofit's RestAdapter.Builder class
– akhy
Jun 4 '14 at 10:27
2
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