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Transaction isolation levels relation with locks on table
...o understand the lock each transaction isolation takes on the table
For example, you have 3 concurrent processes A, B and C. A starts a transaction, writes data and commit/rollback (depending on results). B just executes a SELECT statement to read data. C reads and updates data. All these process ...
How to Debug Variables in Smarty like in PHP var_dump()
...h <pre> tags. Methods above are the best.
– Alexander Kludt
Feb 7 '14 at 13:59
2
Add an add...
WebSockets protocol vs HTTP
...t (in both directions) including many headers and cookie data. Here is an example of a request/response to using Chrome:
Example request (2800 bytes including cookie data, 490 bytes without cookie data):
GET / HTTP/1.1
Host: www.cnn.com
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cac...
How to convert char to int?
...unction is currently not available in NetMF.
– GisMofx
Aug 10 '15 at 12:32
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Internet Explorer 8 Developer Tools not displaying
Within the last day, in Internet Explorer 8, the developer tools window will not show up.
9 Answers
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How can I convert ArrayList to ArrayList?
...ployee("Jonh"));
list.add(new Car("BMW","M3"));
list.add(new Chocolate("Twix"));
It wouldn't make sense to convert the list of those Objects to any type.
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Git: “please tell me who you are” error
... answered Sep 24 '13 at 3:06
luxuialuxuia
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What do the parentheses around a function name mean?
...g on, foo's signature is equivalent to
int foo (int *bar)
The only context in which I've seen people putting seemingly unnecessary parentheses around function names is when there are both a function and a function-like macro with the same name, and the programmer wants to prevent macro expansion....
Referring to the null object in Python
...ng valid object with None (depends on how it's implemented, but you don't expect everyone to take comparisions with None into account, do you?), while is always works the same.
– user395760
Jul 20 '10 at 12:25
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What's the difference between “groups” and “captures” in .NET regular expressions?
...nce between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code:
...