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MySQL Creating tables with Foreign Keys giving errno: 150
...e the tables in the right order: Parent table first, then the Child table. If both tables references each other, you must create one table without FK constraints, then create the second table, then add the FK constraint to the first table with ALTER TABLE.
The two tables must both support foreign k...
jquery selector for id starts with specific text [duplicate]
...of the divs & use
$('.commonClass').
But you can use the first one if html markup is not in your hands & cannot change it for some reason.
Alternative solution - 2 (not recommended if n is a large number)
(as per @Mihai Stancu's suggestion)
$('#editDialog-0, #editDialog-1, #editDialog-...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...的处理过程，Windows在绘制List Ctrl的某个时间点上通过 Notification 消息通知你的程序，你可以选择忽略所有的通知（这样你就会看到标准的ListCtrl），或者处理某部分的绘制（实现简单的效果），甚至整个的控件都由你来绘制（就...
What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
...
How to render a PDF file in Android
... it is under the GNU General Public, not the Lesser GPL. This may make it difficult to include in commercial software.
– Sam
Apr 6 '15 at 16:08
...
Using Excel OleDb to get sheet names IN SHEET ORDER
... dt = objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
if(dt == null)
{
return null;
}
String[] excelSheets = new String[dt.Rows.Count];
int i = 0;
// Add the sheet name to the string array.
foreach(DataRow row in dt.Ro...
Relative paths based on file location instead of current working directory [duplicate]
...dependent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location of the script gets a little more tricky)
...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...oad until gesturestart when you allow scalability again with this script:
if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPad/i)) {
var viewportmeta = document.querySelector('meta[name="viewport"]');
if (viewportmeta) {
viewportmeta.content = 'width=device-wi...
Recursive sub folder search and return files in a list python
...dirpath which you call root. The dirnames are supplied so you can prune it if there are folders that you don't wish os.walk to recurse into.
import os
result = [os.path.join(dp, f) for dp, dn, filenames in os.walk(PATH) for f in filenames if os.path.splitext(f)[1] == '.txt']
Edit:
After the late...
Return empty cell from formula in Excel
...appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
...