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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...ratch I did:
# su - mysql
$ rm -rf /var/lib/mysql/*
$ mysql_install_db
# /etc/init.d/mysql start
Then set root password (/usr/bin/mysqladmin -u root password), and all worked as expected with the GRANT commands...
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Error in SQL script: Only one statement is allowed per batch
...that PostDeploy. In such file you could have various commands like inserts etc.
Then you can use output of Database project as dacpac file for Data-Tier DB applications (Otherwise it's not included).
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Plotting a list of (x, y) coordinates in python matplotlib
... So there is no way to have a np.array of data=np.array([[x1,y1],[x2,y2],etc.]) and using plt.plot(data). I'll always have to give two arrays instead of arrays of arrays?
– Max Coplan
Dec 3 '18 at 16:15
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How to run Django's test database only in memory?
...do service mysql stop
$ sudo cp -pRL /var/lib/mysql /dev/shm/mysql
$ vim /etc/mysql/my.cnf
# datadir = /dev/shm/mysql
$ sudo service mysql start
Beware, it's just for testing, after reboot your database from memory is lost!
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Thou shalt not inherit from std::vector
...of different types of iterators: const iterators, random access iterators, etc.
Therefore I recommend you to accept this convention and design your algorithms in such way that they won't care about what is the container they're working on - and they would only require a specific type of iterator wh...
How to add a footer to a UITableView in Storyboard
...an then drag subviews such as labels and buttons there, adjust the height, etc.
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When should I use a struct instead of a class?
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Use a structure if:
It will act like a primitive type (int, long, byte, etc.).
It must have a small memory footprint.
You are calling a P/Invoke method that requires a structure to be passed in by
value.
You need to reduce the impact of garbage collection on application performance.
Its fields ne...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...quests at a time as long as our system has enough resources (RAM, Network, etc.). How those functions run is THE KEY DIFFERENCE.
-- Hmm, should I be excited now?
-- Maybe :) Node runs a loop over a queue. In this queue are our jobs, i.e, the calls we started to process incoming requests. The most ...
How to generate a core dump in Linux on a segmentation fault?
...where %e is the process name and %t the system time. You can change it in /etc/sysctl.conf and reloading by sysctl -p.
If the core files are not generated (test it by: sleep 10 & and killall -SIGSEGV sleep), check the limits by: ulimit -a.
If your core file size is limited, run:
ulimit -c unl...
What is PAGEIOLATCH_SH wait type in SQL Server?
...t is disk intensive, what requires a full index scan, what requires a sort etc
– Greg B
Feb 3 '11 at 11:42
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