大约有 48,000 项符合查询结果（耗时：0.0559秒） [XML]
T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
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@AdamRobinson 1.5 years are passed do you know some more efficient way to update only one column
– user1432124
Jun 16 '12 at 15:19
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ggplot: How to increase spacing between faceted plots?
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Due to another update, the incantation is now theme(panel.margin = unit(2, "lines"))
– David J. Harris
Nov 8 '16 at 16:49
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How to TryParse for Enum value?
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As mentioned by Lisa and Christian in the comments, Enum.TryParse is now available for C# in .NET4 and up.
MSDN Docs
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Django Passing Custom Form Parameters to Formset
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this should be correct way of doing it now. the accepted answer works and is nice but is a hack
– Junchao Gu
Nov 3 '17 at 9:36
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“render :nothing => true” returns empty plaintext file?
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Since Rails 4, head is now preferred over render :nothing.1
head :ok, content_type: "text/html"
# or (equivalent)
head 200, content_type: "text/html"
is preferred over
render nothing: true, status: :ok, content_type: "text/html"
# or (equiva...
I keep getting “Uncaught SyntaxError: Unexpected token o”
...ve contains exact copy from this answer. Adding link from accepted answer now.
– Geoffrey Hale
Aug 5 '16 at 0:40
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What are queues in jQuery?
...ar resized = function() {
// simple animation callback - let maps know we resized
google.maps.event.trigger(map, 'resize');
};
// wait 2 seconds
$map.delay(2000);
// resize the div:
$map.animate({
width: 250,
height: 250,
marginLeft: 250,
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Java using enum with switch statement
...ue and then switch on the enum value.
enum GuideView {
SEVEN_DAY,
NOW_SHOWING,
ALL_TIMESLOTS
}
// Working on the assumption that your int value is
// the ordinal value of the items in your enum
public void onClick(DialogInterface dialog, int which) {
// do your own bounds checking...
Disable scrolling in webview?
Until now I have been an iPhone developer only and now I have decided to give Android a whirl. Something I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
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How do I concatenate two arrays in C#?
Right now I use
23 Answers
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