大约有 5,229 项符合查询结果(耗时:0.0351秒) [XML]
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...
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...
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...
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...
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...
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
...
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 ...
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 ...
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 ...
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...