大约有 36,010 项符合查询结果（耗时：0.0938秒） [XML]
Remove items from one list in another
...t();
List<car> result = list2.Except(list1).ToList();
You probably don't even need those temporary variables:
List<car> result = GetSomeOtherList().Except(GetTheList()).ToList();
Note that Except does not modify either list - it creates a new list with the result.
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center aligning a fixed position div
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Koen's answer doesn't exactly centers the element.
The proper way is to use CCS3 transform property. Although it's not supported in some old browsers. And we don't even need to set a fixed or relative width.
.centered {
position: fix...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...g an HTML element instead of its value, which is actually what I wanted to do (in fact in my php code I need that value as a foreign key for querying my cities table and filter correct entries).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex]
};
it ...
How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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How can I get the list of files in a directory using C or C++?
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In small and simple tasks I do not use boost, I use dirent.h which is also available for windows:
DIR *dir;
struct dirent *ent;
if ((dir = opendir ("c:\\src\\")) != NULL) {
/* print all the files and directories within directory */
while ((ent = re...
How to set background color of an Activity to white programmatically?
...ithin the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView();
// Set the color
root.setBackgroundColor(getResources().getColor(android.R.color.red));
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Entity Framework - Start Over - Undo/Rollback All Migrations
...e point where I just want to start over, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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Cannot use identity column key generation with ( TABLE_PER_CLASS )
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Postgres is able to do inheritance so you might be right that this is database specific: postgresql.org/docs/8.1/static/ddl-inherit.html The video does not explain (or i missed it) how the schema is generated. So maybe the NHibernate postgres di...
Android device chooser - My device seems offline
...ever figured out whether the problem is in adb or the device but I usually do the following:
Restart adb by issuing 'adb kill-server' followed by 'adb start-server' at a cmd prompt
Disable and re-enable USB debugging on the phone
Rebooting the phone if it still doesn't work.
99% of my issues hav...
performing HTTP requests with cURL (using PROXY)
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@BipinVayalu, what do you want to check? At this way, what I describe above, the client uses the proxy "direct way", not transparently. So, the proxy gives the standard HTTP answers (including HTTP codes). If you export a wrong http_proxy envir...