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Why I cannot cout a string?
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Use c_str() to convert the std::string to const char *.
cout << "String is : " << text.c_str() << endl ;
share
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impr...
How can I prevent SQL injection in PHP?
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Using PDO (for any supported database driver):
$stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name');
$stmt->execute([ 'name' => $name ]);
foreach ($stmt as $row) {
// Do something with $row
}
Using MySQLi (for MySQL):
$stmt = $dbConnection->prepare('SELECT * FROM...
Comparing two strings, ignoring case in C# [duplicate]
...e property treats the characters in the strings to compare as if they were converted to uppercase using the conventions of the invariant culture, and then performs a simple byte comparison that is independent of language." (see msdn.microsoft.com/en-us/library/…). If you can store the result of th...
Git, fatal: The remote end hung up unexpectedly
...D changes into a state where merging them became obnoxious (everything was converted to an ADD). I wish I had researched this one more before running it.
– MatrixManAtYrService
Jul 1 '16 at 3:40
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ollowed to solve the problem as following:
Right click on the edmx file, select Open with, XML editor
Locate the entity in the edmx:StorageModels element
Remove the DefiningQuery entirely
Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
Output first 100 characters in a string
...reat way to handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first se...
Can't access RabbitMQ web management interface after fresh install
...ced that I had created the setup script in Windows (CR+LF line ending) and converted the file to Linux (LF only), then reran the setup script on my Linux server.
... and was still not able to log in, because it took another 15 minutes until I realized that calling add_user over and over again would...
What are the differences between JSON and JavaScript object? [duplicate]
...erialize/deserialize .NET objects.
So it's just a format allowing you to convert from objects to string and back which is convenient if you want to transfer them over the wire.
It is very close to javascript object representation and if you simply eval() a JSON string you will get the correspondi...
What is sr-only in Bootstrap 3?
...span></a></b></li>
</ul>
You see which one is selected (sr-only part is hidden):
Default
Static top
Fixed top
You hear which one is selected if you use screen reader:
Default
Static top
Fixed top (current)
As a result of this technique blind people supposed to na...
How long is the SHA256 hash?
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you can use this select statement to test it: SELECT length(to_base64(unhex(sha2('say hello to my little friend',256)))) , it is always 44 whatever the length of original string is.
– DrAhmedJava
Apr 9 '...