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How to add new column to MYSQL table?
... mysqli_connect("localhost", "user", "password", "database");
$name = $db->mysqli_real_escape_string($name);
$query = 'ALTER TABLE assesment ADD ' . $name . ' TINYINT NOT NULL DEFAULT \'0\'';
if($db->query($query)) {
echo "It worked";
}
Haven't tested it but should work.
...
Undefined reference to pthread_create in Linux
... For anyone using CODEBLOCKS: Add -pthread to Project Build Options -> Linker Settings -> Other linker options.
– user3728501
Oct 4 '15 at 13:23
...
How to get .pem file from .key and .crt files?
...ed to concatenate the two files. For this use:
cat server.crt server.key > server.includesprivatekey.pem
I would recommend naming files with "includesprivatekey" to help you manage the permissions you keep with this file.
...
Calling a Method From a String With the Method's Name in Ruby
...
To call functions directly on an object
a = [2, 2, 3]
a.send("length")
# or
a.public_send("length")
which returns 3 as expected
or for a module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was exec...
MySQL Workbench: How to keep the connection alive
...
From the now unavailable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbench. Kill your previously query that
probably is ...
How to get JSON from URL in JavaScript?
... fetch polyfill.
let url = 'https://example.com';
fetch(url)
.then(res => res.json())
.then((out) => {
console.log('Checkout this JSON! ', out);
})
.catch(err => { throw err });
MDN: Fetch API
Even though Node.js does not have this method built-in, you can use node-fetch which allows...
How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?
...t in question in the package explorer pane, and then choosing 'Configure'-> 'Convert to Maven Project')
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Android Studio installation on Windows 7 fails, no JDK found
...ude bin at the end of the path. This solved the issue for me.
JAVA_HOME => C:\Program Files\Java\jdk1.7.0_21
path => C:\Program Files\Java\jdk1.7.0_21\bin
It works fine with JDK 1.7 (I tried with 32 bit).
If you do so, you can see the initial screen as below.
Tip 2
Are you getting the ...
Android Bitmap to Base64 String
... return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length);
}
public static String convert(Bitmap bitmap)
{
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
retu...
Scala: write string to file in one statement
...aries you can do this hack:
Some(new PrintWriter("filename")).foreach{p => p.write("hello world"); p.close}
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