大约有 5,229 项符合查询结果(耗时:0.0351秒) [XML]

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How to initialize all members of an array to the same value?

...VAL_16X VAL_8X, VAL_8X #define VAL_32X VAL_16X, VAL_16X #define VAL_64X VAL_32X, VAL_32X int myArray[53] = { VAL_32X, VAL_16X, VAL_4X, VAL_1X }; If you need to change the value, you have to do the replacement at only one place. Edit: possible useful extensions (courtesy of Jonathan Le...
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Best way to convert an ArrayList to a string

...om the above program: 61: new #13; //class java/lang/StringBuilder 64: dup 65: invokespecial #14; //Method java/lang/StringBuilder."<init>":()V 68: aload_2 69: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder; 7...
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How do I calculate percentiles with python/numpy?

...6, 1.92, 1.98, 2.04, 2.1, 2.16, 2.22, 2.28, 2.34, 2.4, 2.46, 2.52, 2.58, 2.64, 2.7, 2.76, 2.82, 2.88, 2.94, 3.0, 3.06, 3.12, 3.18, 3.24, 3.3, 3.36, 3.42, 3.48, 3.54, 3.6, 3.66, 3.72, 3.78, 3.84, 3.9, 3.96, 4.02, 4.08, 4.14, 4.2, 4.26, 4.32, 4.38, 4.44, 4.5, 4.56, 4.62, 4.68, 4.74, 4.8, 4.86, 4.92, 4...
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What is the optimal length for user password salt? [closed]

...nly need to be long enough so that each user's salt will be unique. Random 64-bit salts are very unlikely to ever repeat even with a billion registered users, so this should be fine. A singly repeated salt is a relatively minor security concern, it allows an attacker to search two accounts at once b...
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Map a network drive to be used by a service

... Use this at your own risk. (I have tested it on XP and Server 2008 x64 R2) For this hack you will need SysinternalsSuite by Mark Russinovich: Step one: Open an elevated cmd.exe prompt (Run as administrator) Step two: Elevate again to root using PSExec.exe: Navigate to the folder containing...
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Why are primes important in cryptography?

...ch qbit can have 3 values, thus the new technology is base 3 not base 2. a 64 qbits CPU would have 3^64 combinations in a word. Don't know how it impacts performance. – juanmf Jun 27 '17 at 5:07 ...
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How many GCC optimization levels are there?

... 100 gives: COLLECT_GCC_OPTIONS='-O100' '-v' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/5.1.0/cc1 [[noise]] hello_world.c -O100 -o /tmp/ccetECB5. so -O was forwarded to both cc1 and collect2. O in common.opt common.opt is a GCC specific CLI option description ...
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Groovy / grails how to determine a data type?

... (2.3.7), we can also write someObject.class – loloof64 Nov 7 '14 at 9:58 5 @LaurentBERNABE that ...
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Compiling a java program into an executable [duplicate]

...tall/uninstall itself, and support service pause/continue. New release of x64 version, can create 64 bits executives. (May 18, 2008) Both wizard mode and command line mode supported. (May 18, 2008) Download: http://www.brothersoft.com/jartoexe-75019.html 3- Executor Package your Java application ...
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Pandas - Get first row value of a given column

...ime 1.2 C 12.0 D 25.0 E 12.0 Name: 0, dtype: float64 To select the ith value in the Btime column you could use: In [30]: df_test['Btime'].iloc[0] Out[30]: 1.2 There is a difference between df_test['Btime'].iloc[0] (recommended) and df_test.iloc[0]['Btime']: DataFrame...