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PHP + MySQL transactions examples
...(mysql_error());
$query = "INSERT INTO employee (ssn,name,phone) values ('123-45-6789','Matt','1-800-555-1212')";
begin(); // transaction begins
$result = mysql_query($query);
if(!$result){
rollback(); // transaction rolls back
echo "transaction rolled back";
exit;
}else{
commit(...
Quickest way to convert a base 10 number to any base in .NET?
...vert numbers to any base so you would have to write your own small utility function. A simple sample would look like that (note that this surely can be made faster by replacing the string concatenation):
class Program
{
static void Main(string[] args)
{
// convert to binary
...
How to highlight text using javascript
...{
let cur: Node = children[i];
// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
if (cur.nodeType === Node.TEXT_NODE)
{
this.checkAndReplace(cur);
}
...
how to use javascript Object.defineProperty
...lient code. For example, in some e-shop you might have objects like this:
function Product(name,price) {
this.name = name;
this.price = price;
this.discount = 0;
}
var sneakers = new Product("Sneakers",20); // {name:"Sneakers",price:20,discount:0}
var tshirt = new Product("T-shirt",10); // ...
What is the correct way to document a **kwargs parameter?
...rgs argument, but a completely normal one.
– bugmenot123
Jul 15 '19 at 12:26
add a comment
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decimal vs double! - Which one should I use and when? [duplicate]
...ut at 1 million for a float.
A 15 digit monetary value:
£1,234,567,890,123.45
9 trillion with a double. But with division and comparisons it's more complicated (I'm definitely no expert in floating point and irrational numbers - see Marc's point). Mixing decimals and doubles causes issues:
...
How to get Android crash logs?
....397: ERROR/AndroidRuntime(778): at android.os.Looper.loop(Looper.java:123)
09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.main(ActivityThread.java:3948)
09-04 21:35:15.397: ERROR/AndroidRuntime(778): at java.lang.reflect.Method.invokeNative(Native Method)
0...
How to call a parent method from child class in javascript?
...edited Aug 20 '15 at 1:09
Seanny123
5,70277 gold badges4949 silver badges100100 bronze badges
answered Aug 7 '12 at 22:29
...
Do you use NULL or 0 (zero) for pointers in C++?
...
123
There are a few arguments (one of which is relatively recent) which I believe contradict Bjarn...
Unable to open project… cannot be opened because the project file cannot be parsed
...t;< .mine , ============ and >>>>>>>>>> .r123. These are generally conflicts that arise when you take update from SVN.
Delete these and save file.
Now, you'll be able to open project without any error message.
...