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How to convert all tables from MyISAM into InnoDB?
...//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyISAM'";
$rs = mysql_query($sql);
while($row = mysql_fetch_array($rs))
{
$tbl = $row[0];
$sql = "...
HTML-encoding lost when attribute read from input field
...
This works for most scenarios, but this implementation of htmlDecode will eliminate any extra whitespace. So for some values of "input", input != htmlDecode(htmlEncode(input)). This was a problem for us in some scenarios. For example...
Correct way to write line to file?
...s opened in text mode (the default); use a single '\n' instead, on all platforms.
Some useful reading:
The with statement
open()
'a' is for append, or use
'w' to write with truncation
os (particularly os.linesep)
sha...
How can I quickly delete a line in VIM starting at the cursor position?
...nded to the line.
This is part of vitutor and vimtutor, excellent "reads" for vim beginners.
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...upports basic multilingual plane, and you need to use utf8mb4 instead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 cannot store
the character at all, you do not have any supplementary characters in
utf8 co...
Append TimeStamp to a File Name
...ng Method (String)
DateTime.Now.ToString("yyyyMMddHHmmssfff")
or string.Format
string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now);
or Interpolated Strings
$"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}"
There are following custom format specifiers y (year), M (month), d
(day), h (hour ...
How do I create an immutable Class?
...
I think you're on the right track -
all information injected into the class should be supplied in the constructor
all properties should be getters only
if a collection (or Array) is passed into the constructor, it should be copied to keep the caller from modifying it...
Can't find the 'libpq-fe.h header when trying to install pg gem
.../postgresql/libpq-fe.h
...
So try installing libpq-dev or its equivalent for your OS:
For Ubuntu/Debian systems: sudo apt-get install libpq-dev
On Red Hat Linux (RHEL) systems: yum install postgresql-devel
For Mac Homebrew: brew install postgresql
For Mac MacPorts PostgreSQL: gem install pg -- -...
How do I load a file from resource folder?
...Charsets.UTF_8);
BufferedReader reader = new BufferedReader(streamReader);
for (String line; (line = reader.readLine()) != null;) {
// Process line
}
Notes
See it in The Wayback Machine.
Also in GitHub.
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android get real path by Uri.getPath()
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Is it really necessary for you to get a physical path?
For example, ImageView.setImageURI() and ContentResolver.openInputStream() allow you to access the contents of a file without knowing its real path.
...