大约有 46,000 项符合查询结果（耗时：0.0541秒） [XML]
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...y objects returned.
Consider:
class House
{
int Id { get; set; }
string Address { get; set; }
Person[] Inhabitants { get; set; }
}
class Person
{
string Name { get; set; }
int HouseId { get; set; }
}
and tables with a similar structure. A single query for the address "22 Va...
How to develop a soft keyboard for Android? [closed]
...yout, mKLayout;
private boolean isEdit = false, isEdit1 = false;
private String mUpper = "upper", mLower = "lower";
private int w, mWindowWidth;
private String sL[] = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
"x", "...
MySQL integer field is returned as string in PHP
...from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
...
Remove duplicates in the list using linq
... be the change in code if i have a List<my_Custom_Class> and List<string>. My custom class has various items in which one is DCN number and list<string> has only DCN number. So I need to check the List<Custom_Class> contains any dcn from List<string>. For example suppos...
How do you uninstall MySQL from Mac OS X?
...empt to install from source.
./configure --prefix=/usr/local/mysql --with-extra-charsets=complex \
--enable-thread-safe-client --enable-local-infile --enable-shared \
--with-plugins=innobase
share
|
...
Android: How to bind spinner to custom object list?
...need a value, do something like this (no, you don't have to chain it):
String selectedVal = getResources().getStringArray(R.array.values)[spinner.getSelectedItemPosition()];
share
|
improve th...
How to create ls in windows command prompt?
...ir answer someday. I'd like to add that doing @dir %* will also remove the extra line so it is even more identical to dir
– Captain Man
May 22 '15 at 0:24
1
...
How to exclude property from Json Serialization
...fied) case:
public class User {
public int Id { get; set; }
public string Name { get; set; }
[ScriptIgnore]
public bool IsComplete
{
get { return Id > 0 && !string.IsNullOrEmpty(Name); }
}
}
In this case, only the Id and the Name properties will be seria...
converting CSV/XLS to JSON? [closed]
...
Extra credit: save json to a file... $topicsjson | Add-Content -Path "mydata.json"
– brady321
Apr 10 '18 at 19:46
...
Android List View Drag and Drop sort
...Adapter
public class ItemAdapter extends DragItemAdapter<Pair<Long, String>, ItemAdapter.ViewHolder>
public ItemAdapter(ArrayList<Pair<Long, String>> list, int layoutId, int grabHandleId, boolean dragOnLongPress) {
super(dragOnLongPress);
mLayoutId = layo...