大约有 1,400 项符合查询结果(耗时:0.0183秒) [XML]

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Convert JsonNode into POJO

... The documentation is now at fasterxml.github.io/jackson-databind/javadoc/2.5/com/fasterxml/… – David Tonhofer Sep 13 '17 at 17:15 add a comment  |  ...
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Are loops really faster in reverse?

...or-unrolling in this 5e9 situation, it has brought me down from 12 sec to 2.5 sec when I went by 10s, and to 2.1 sec when I went by 20s. It was without optimization, and optimization has brought things down to unmeasureable little time. :) (Unrolling can be done in my way above or using i++, but ...
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List Git aliases

...to yield lines starting with alias in case some configurations somehow contains keyword alias: git config --list | grep -E '^alias' – MasterMind Feb 2 '18 at 10:19 add a comme...
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UTF-8, UTF-16, and UTF-32

..., go straight to the horse's mouth at The Unicode Consortium. See chapter 2.5 for a description of the UTF-* encodings. But for obtaining a simple, high-level understanding of the encodings, I find that the Wikipedia articles are a much more approachable source. – Adam Rosenf...
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SQL Server : Columns to Rows

...s it's not as fast as dynamic SQL, rough tests gave me that xml is about 2.5 times slower that dynamic (it was one query on ~250000 rows table, so this estimate is no way exact). You could compare it yourself if you want, here's sqlfiddle example, on 100000 rows it was 29s (xml) vs 14s (dynamic); ...
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This app won't run unless you update Google Play Services (via Bazaar)

...ffs2 /dev/block/mtdblock0 /system 2.2) adb shell chmod 777 /system/app 2.3-2.5) adb push Each_of_the_3_apk_files.apk /system/app/ Links to download APK files. I have copied them from my rooted Android device. GoogleLoginService.apk GoogleServicesFramework.apk Phonesky.apk 3) Install Google Play...
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What is unit testing and how do you do it? [duplicate]

...to the what and the how http://www.nunit.org/index.php?p=quickStart&r=2.5 Is everything testable? Generally if it calculates something then yes. UI code is a whole other problem to deal with though, as simulating users clicking on buttons is tricky. What should you test? I tend to write tests...
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Should I declare Jackson's ObjectMapper as a static field?

....e. 2.4 millions JSON documents were processed in 40min.56sec., instead of 2.5 hours previously. share | improve this answer | follow | ...
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How can I get the external SD card path for Android 4.0+?

...unt") .redirectErrorStream(true).start(); process.waitFor(); final InputStream is = process.getInputStream(); final byte[] buffer = new byte[1024]; while (is.read(buffer) != -1) { s = s + new String(buffer); } is.close(); ...
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How can we make xkcd style graphs?

..."#D55E00", colour= "#D55E00") + geom_text(data=d1,aes(x=type,y=score+2.5,label=score,ymax=0),family="Humor Sans") + coord_flip() #hand drawn axes d1long <- NULL d1long <- rbind(c(0,-2),d1,c(12,32)) d1long$xaxis <- -1 d1long$yaxis <- 11.75 # drawing jagged axes p <- p + geom_...