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Initialization of all elements of an array to one default value in C++?
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Using the syntax that you used,
int array[100] = {-1};
says "set the first element to -1 and...
Turn a string into a valid filename?
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Warning! base64 encoding by default includes the "/" character as valid output which isn't valid in filenames on a lot of systems. Instead...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...thank you @user1969061. This certainly worked for me in mariadb-server-5.5.60-1.el7_5.x86_64
– han solo
Jul 3 '19 at 6:40
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Replacement for deprecated sizeWithFont: in iOS 7?
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when working with an NSString and a UILabel (not ALWAYS the case, but often so), to prevent duplicated code/etc, you can also replace [UIFo...
No Multiline Lambda in Python: Why not?
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This is generally very ugly (but sometimes the alternatives are even more ugly), so a workaroun...
Abstract Class vs Interface in C++ [duplicate]
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iammilindiammilind
60.2k2727 gold badges146146 silver badges283283 bronze badges
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30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...国外程序员直接打过交道）
晁振：
如果放眼国外，50、60岁的程序员大有人在，甚至还有30岁40岁才开始做技术的，其中不乏一些大牛级人物。当然一方面也许和国外的语言环境和福利有关。
但既便你认为自己“上了年纪”跟...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
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me@server:/data$ pwd /data me@server:/data$ ls -al total 60 ... drwxrwxrwx 2 mysql mysql 4096 2010-05-06 16:27 dumptest me@server:/data$ mysqldump -u dbuser -p -T dumptest -B db_name --tables test Enter password: mysqldump: Got error: 1: Can't create/write to file '/data/dump...
Twitter Bootstrap - add top space between rows
... BuksyBuksy
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How to determine whether a Pandas Column contains a particular value
... dev. of 7 runs, 100 loops each)
In [22]: timeit x.eq(9).any()
7.04 ms ± 60 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
In [24]: timeit 9 in x.values
666 µs ± 15.7 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
Interestingly it doesn't matter if you look up 9 or 99...