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What is a magic number, and why is it bad? [closed]
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The JDK is full of examples like in Integer, Character and Math classes.
PS: Static analysis tools like FindBugs and PMD detects the use of magic numbers in your code and suggests the refactoring.
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How do CDI and EJB compare? interact?
...- it does not matter if it is related to EJB or not, and that's its power.
PS. updated link to the example
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How do you use version control with Access development?
...d my answer to reflect the fact that the project was transferred to you. PS! I hope we can get some up votes as I think this is the best solution.
– hansfn
Mar 3 '15 at 8:53
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How to implement a queue with three stacks?
...kasaki's paper is here: http://www.eecs.usma.edu/webs/people/okasaki/jfp95.ps and it seems that he actually uses only 2 stacks for the O(1) version that has lazy evaluation. The problem is that it's really based on lazy evaluation. The question is if it can be translated to a 3-stack algorithm witho...
'printf' vs. 'cout' in C++
...#1: @ %_ZSt13__check_facetISt5ctypeIcEERKT_PS3_.exit
ldrb r0, [r5, #28]
cmp r0, #0
beq .LBB0_3
@ BB#2:
ldrb r0, [r5, #39]
b .LBB0_4
.LBB0_3:
mov r0, r5
bl _ZNKSt5ctypeIcE13_M_widen_in...
android ellipsize multiline textview
... // 由于我们大多数情况下workingText为中文，所以按照之前的逻辑找空格是不合适的 // 这里改成直接替换最后的字符 workingText = workingText.substring(0, workingText.length() - 1 - 1); }
– chengbo
Oct 31 '11 ...
How do you clear the SQL Server transaction log?
...ABASE testdb SET RECOVERY FULL;
Even if you are taking regular full backups, the log file will grow and grow until you perform a log backup - this is for your protection, not to needlessly eat away at your disk space. You should be performing these log backups quite frequently, according to your r...
Using a piano keyboard as a computer keyboard [closed]
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Consider doing something in hardware that emulates a usb (or ps/2?) keyboard. You will no longer be dependent on a specific OS, or specific OS API. A hardware solution will stand the test of time. Don't be stuck using an old API in Windows 7 when everyone else is running Windows 11!...
.a: error adding symbols: File format not recognized 原因 - 操作系统(...
...版本Linux/GCC上编译工程时链接了高版本Linux/GCC上编译出来的库文件，导致不能识别报错。
一般地，高版本可以链接成功低版本的，反之则不能。
解决：apache2.service: Failed to run \'start\' task: No such file or d...
... file or directory。原因是：& 39; var tmp& 39;目录被删掉了导致的。mkdir var tmp 搞定。今天 systemctl reload apache2.service 重启apache2时，出现一个错误：apache2.service: Failed to run 'start' task: No such file or directory。
原因是：'/var/tmp'目录被删掉了...