大约有 40,000 项符合查询结果（耗时：0.0580秒） [XML]
How to use SQL Order By statement to sort results case insensitive?
...
This usually won't work out of the box, if the database uses UTF8. (Notice that the title doesn't refer to just SQLite.) In this case, the suggestion to use lower() or upper() below is the one that works.
– marc...
How to provide different Android app icons for different gradle buildTypes?
...
Figured it out. What you need to do is create a separate src folder called debug that holds the different icons. For example, if your project layout is as follows, and your launcher icon is called ic_launcher.png:
[Project Root]
-[Module]
-src
-main
-res
-drawabl...
From an array of objects, extract value of a property as array
...
Check out Lodash's _.pluck() function or Underscore's _.pluck() function. Both do exactly what you want in a single function call!
var result = _.pluck(objArray, 'foo');
Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _...
In pure functional languages, is there an algorithm to get the inverse function?
...
In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes...
Purge Kafka Topic
...--entity-name <topic name> --add-config retention.ms=1000 This also allows you to check the current retention period, e.g. kafka-configs --zookeeper <zkhost>:2181 --describe --entity-type topics --entity-name <topic name>
– RHE
Jun 2 '16 at ...
How do I rename the extension for a bunch of files?
In a directory, I have a bunch of *.html files. I'd like to rename them all to *.txt
24 Answers
...
vs vs for inline and block code snippets
... Problem with <pre> is it modifies whitespace processing as well: all spaces are preserved, and wrapping is switched off. Unless there's a way to switch this off?
– Steve Bennett
Jan 8 '11 at 23:55
...
Getting a list of associative array keys
...ect.keys(obj)
Example:
var dictionary = {
"cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36],
"dogs": [4, 5, 6, 3, 2]
};
// Get the keys
var keys = Object.keys(dictionary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
...
Can Python print a function definition?
...pile a regular expression pattern, returning a pattern object."
return _compile(pattern, flags)
This will work in the interactive prompt, but apparently only on objects that are imported (not objects defined within the interactive prompt). And of course it will only work if Python can find th...