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Need for predictable random generator
... put 1 critical and 4 non-critical hits in a bag. Then you randomize their order in the bag and pick them out one at a time. When the bag is empty, you fill it again with the same values and randomize it. That way you will get in average 1 critical hit per 5 hits, and at most 2 critical and 8 non-cr...
With bash, how can I pipe standard error into another process?
...t, you can do it this way:
proc1 2>&1 1>/dev/null | proc2
The order is vital; you would not want:
proc1 >/dev/null 2>&1 | proc1
As this will redirect everything to /dev/null!
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Create a branch in Git from another branch
... newbies, this is what a --no-ff merge looks like
– A__
Oct 6 '18 at 23:01
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How can I connect to MySQL in Python 3 on Windows?
...https://pypi.python.org/pypi/mysql-connector-python
Officially supported by Oracle
Pure python
A little slow
Not compatible with MySQLdb
https://pypi.python.org/pypi/pymysql
Pure python
Faster than mysql-connector
Almost completely compatible with MySQLdb, after calling pymysql.install_as_MySQ...
How to use ScrollView in Android?
...t the text is more than fits into the screen size. What do I need to do in order to make a ScrollView ?
8 Answers
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How to get error message when ifstream open fails
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Every system call that fails update the errno value.
Thus, you can have more information about what happens when a ifstream open fails by using something like :
cerr << "Error: " << strerror(errno);
However, since every s...
dd: How to calculate optimal blocksize? [closed]
...hardware is that the default block size of 512 bytes tends to be almost an order of magnitude slower than a more optimal alternative. When in doubt, I've found that 64K is a pretty solid modern default. Though 64K usually isn't THE optimal block size, in my experience it tends to be a lot more effic...
Most lightweight way to create a random string and a random hexadecimal number
...165037870407104
9.0292739868164062
5.2836320400238037
t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting.
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async await return Task
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In order to get proper responses back from async methods, you need to put await while calling those task methods. That will wait for converting it back to the returned value type rather task type.
E.g var content = await Str...
UITableViewCell Separator disappearing in iOS7
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You need to ceil the number of pixels and then divide by screen scale factor to get points which is okay to be in decimal. If you don't do this, it won't be retina optimized.
– trss
Mar 11 '14 at 16:38
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