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  Leetcode PHP題解--D28 884. Uncommon Words from Two S

  884. Uncommon Words from Two Sentences 題目鏈接 884. Uncommon Words from Two Sentences 題目分析 返回給定的兩個(gè)句子中唯一不同的單詞。 思路 先把兩個(gè)句子分別按空格分割成數(shù)組，再計(jì)算兩個(gè)數(shù)組的差集，即可得知兩個(gè)句子的差異。 測(cè)試后...

  jcc 2019-07-01 12:40 評(píng)論0 收藏0
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  JVM(1)---虛擬機(jī)在運(yùn)行期的優(yōu)化策略

  ...編程這樣子： try{ return arr.value; }catch(segment_fault){ uncommon_trap(); } 就是說(shuō)，虛擬機(jī)會(huì)注冊(cè)一個(gè)Segment Fault信號(hào)的異常處理器(uncommon_trap())，這樣當(dāng)arr不為空的時(shí)候，對(duì)value的訪問(wèn)可以省去對(duì)arr的判斷。代價(jià)就是當(dāng)arr為空時(shí)，必...

  LiuZh 2019-08-19 11:01 評(píng)論0 收藏0
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  關(guān)于偏向鎖,安全點(diǎn),JIT的一些暗坑.

  ...阱. for (int i = OSR_value; i != 0; i++) { if (1 % i == 0) { uncommon_trap(); } } uncommon_trap(); 明顯的一個(gè)問(wèn)題,語(yǔ)義無(wú)變化,循環(huán)依舊是無(wú)限的.只不過(guò)在i自增到偶數(shù)時(shí),編譯器將會(huì)遇到不常見(jiàn)的陷阱,原本做出的極端優(yōu)化將不得不退化...

  JeOam 2019-08-16 18:39 評(píng)論0 收藏0
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  10分鐘了解 react 引入的 Hooks

  ...ases for classes as soon as possible. There are no Hook equivalents to the uncommon getSnapshotBeforeUpdate and componentDidCatch lifecycles yet, but we plan to add them soon.It is a very early tim...

  Lucky_Boy 2019-08-23 12:40 評(píng)論0 收藏0
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  54個(gè)JAVA官方文檔重要術(shù)語(yǔ)

  ...的限定地址之前,則代表分配空間成功. 50.不常見(jiàn)的陷阱(uncommon trap) 當(dāng)C2生成的代碼回滾到解釋器以備后續(xù)執(zhí)行時(shí).C2一般按照常見(jiàn)案例進(jìn)行編譯,這允許它專注于最頻繁常見(jiàn)執(zhí)行路徑的優(yōu)化.舉個(gè)例子,當(dāng)一個(gè)類在編譯時(shí)處于未初始化...

  longmon 2019-08-16 17:43 評(píng)論0 收藏0
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  LTMP手動(dòng)編譯安裝以及全自動(dòng)化部署實(shí)踐

  ...H mode=$1 # start or stop [ $# -ge 1 ] && shift other_args=$* # uncommon, but needed when called from an RPM upgrade action # Expected: --skip-networking --skip-grant-tables ...

  HelKyle 2019-07-25 13:32 評(píng)論0 收藏0
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  LTMP手動(dòng)編譯安裝以及全自動(dòng)化部署實(shí)踐

  ...H mode=$1 # start or stop [ $# -ge 1 ] && shift other_args=$* # uncommon, but needed when called from an RPM upgrade action # Expected: --skip-networking --skip-grant-tables ...

  The question 2019-06-27 11:24 評(píng)論0 收藏0
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  LTMP手動(dòng)編譯安裝以及全自動(dòng)化部署實(shí)踐

  ...H mode=$1 # start or stop [ $# -ge 1 ] && shift other_args=$* # uncommon, but needed when called from an RPM upgrade action # Expected: --skip-networking --skip-grant-tables ...

  cucumber 2019-06-25 18:07 評(píng)論0 收藏0