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How to convert an entire MySQL database characterset and collation to UTF-8?
...ommands.
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which didn't support 4-byte UTF-8, use utf8 instead of utf8mb4:
ALTER DATABASE data...
Passing an Array as Arguments, not an Array, in PHP
...
http://www.php.net/manual/en/function.call-user-func-array.php
call_user_func_array('func',$myArgs);
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Interfaces with static fields in java for sharing 'constants'
...s
{
private KittenConstants() {}
public static final String KITTEN_SOUND = "meow";
public static final double KITTEN_CUTENESS_FACTOR = 1;
}
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How to convert java.util.Date to java.sql.Date?
...tually not available in the JDBC/Java7 paradigm.
– sf_jeff
Aug 17 at 1:28
@sf_jeff Java 7 support is covered in the bu...
Argparse optional positional arguments?
...se nargs='?' (or nargs='*' if you will need more than one dir)
parser.add_argument('dir', nargs='?', default=os.getcwd())
extended example:
>>> import os, argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('-v', action='store_true')
_StoreTrueActi...
When should I use perror(“…”) and fprintf(stderr, “…”)?
...should use fprintf(stderr, fmt, ...). For example, strtol will return LONG_MAX or LONG_MIN if a string is out of range and set errno to ERANGE. So if strtol fails due to out of range, I would use perror.
– freeboy1015
Aug 24 '12 at 2:22
...
How do I intercept a method call in C#?
...guments)
{
try
{
string lowerMethodName = '_' + methodName.ToLowerInvariant();
List<object> tempParams = new List<object>();
foreach (MethodInfo methodInfo in serviceMethods.Where(methodInfo => methodInfo.Name.ToLowerInvariant() ...
What are Unwind segues for and how do you use them?
...elow delegate will call and data will share.
@IBAction func unWindSeague (_ sender : UIStoryboardSegue) {
if sender.source is ViewControllerB {
if let _ = sender.source as? ViewControllerB {
self.textLabel.text = "Came from ...
Commands executed from vim are not recognizing bash command aliases
...expansion of bash aliases, put your alias definitions in a file, e.g. .bash_aliases and explicitly enable alias expansion in this file:
shopt -s expand_aliases
alias la='ls -la'
Then add this to your .vimrc so the aliases file is actually read each time you run a shell command from within v...
Response.Redirect with POST instead of Get?
...uld be the rationale to block it, in the future?
– so_mv
Dec 4 '13 at 9:00
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