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What is a “batch”, and why is GO used?
...add a column to a table, then it should be in its own batch.
If you try to SELECT the new column in the same batch it fails because at parse/compile time the column does not exist.
GO is used by the SQL tools to work this out from one script: it is not a SQL keyword and is not recognised by the eng...
How to empty a redis database?
...
$ redis-cli then select database. I am selecting 0 > select 0 and delete all keys of db 0 > FLUSHDB
– sagar junnarkar
May 5 '15 at 17:41
...
XDocument or XmlDocument
...er>
XElement customersElement = new XElement("customers",
customers.Select(c => new XElement("customer",
new XAttribute("name", c.Name),
new XAttribute("lastSeen", c.LastOrder)
new XElement("address",
new XAttribute("town", c.Town),
new XAttr...
How to automatically indent source code?
...
Ctrl+E, D - Format whole doc
Ctrl+K, Ctrl+F - Format selection
Also available in the menu via Edit|Advanced.
Thomas
Edit-
Ctrl+K, Ctrl+D - Format whole doc in VS 2010
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...
Use of exit() function
... bad.
Edit:
Oh, and
void main()
is bad, too, it's:
int main(int argc, char *argv[])
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SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
...ler);
std::cout << "Normal null pointer crash" << std::endl;
char *p = 0;
*p = 5;
}
The program should then display:
Normal null pointer crash
Gotcha!
The C/C++ Runtime Library
The C/C++ Runtime Library will remove any custom crash handler in certain circumstances, and our...
android.widget.Switch - on/off event listener?
...bout you but I wish they named it OnCheckChangedListener, similar to OnItemSelectedListener, since On-Noun-Verb-Listener is an established naming convetion.
– Sam
Jul 1 '12 at 0:10
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Get element inside element by class and ID - JavaScript
...
Well, first you need to select the elements with a function like getElementById.
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
getElementById only returns one node, but getElementsByClassName returns a node list...
How to attach javadoc or sources to jars in libs folder?
...-open the Eclipse project! Optionally, refresh the project by pressing F5.
Select an object of the linked library in the source code.
Open the Javadoc view in Eclipse to check the documentation (see screenshot).
Open the source code declaration (default shortcut: F3) of the selected object.
Exam...
How to set data attributes in HTML elements
...e.
$("#button").on("click", function() {
var field = document.querySelector("#textfield")
switch ($("#method").val()) {
case "setAttribute":
field.setAttribute("data-customval", field.value)
break;
case "dataset":
field.dataset.customval = field.value
...