大约有 45,000 项符合查询结果（耗时：0.0400秒） [XML]
“where 1=1” statement [duplicate]
...hould ignore it
No magic, just practical
Example Code:
commandText = "select * from car_table where 1=1";
if (modelYear <> 0) commandText += " and year="+modelYear
if (manufacturer <> "") commandText += " and value="+QuotedStr(manufacturer)
if (color <> "") command...
How to reset radiobuttons in jQuery so that none is checked
...is empty, it means give me the value of the first element that matches the selector.
– lambacck
Jul 21 '10 at 0:55
1
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How to select a radio button by default? [duplicate]
I have some radio buttons and I want one of them to be set as selected by default when the page is loaded. How can I do that?
...
“Wrap with try…catch” in IntelliJ?
Can I select a block of code and have IntelliJ wrap it with a "try...catch" ?
9 Answers
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How to downgrade or install an older version of Cocoapods
...e default version, so you have to sudo gem uninstall cocoapods first, then select 1.0.0 as the version to remove. Not sure if this has always been the behavior, but sudo gem install cocoapods -v 0.39.0 alone didn't do the trick for me once I had 1.0.0.
– fullofsquirrels
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jQuery datepicker set selected date, on the fly
How can I change the selected date of jquery Date picker dynamically on the fly?
I have say created a inline date picker.
Then after some time, I want to reflect a different date there without recreating the datepicker from the scratch.
...
Calculating distance between two points, using latitude longitude?
...rivate double distance(double lat1, double lon1, double lat2, double lon2, char unit) {
double theta = lon1 - lon2;
double dist = Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2)) + Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.cos(deg2rad(theta));
dist = Math.acos(dist)...
What are valid values for the id attribute in HTML?
...id certain characters. Periods, colons and '#' have special meaning in CSS selectors, so you will have to escape those characters using a backslash in CSS or a double backslash in a selector string passed to jQuery. Think about how often you will have to escape a character in your stylesheets or cod...
Maven: Command to update repository after adding dependency to POM
...:
Right click on the project ->Run As -- >Run configurations.
Then select mavenBuild.
Then click new button to create a configuration of the selected
type .Click on Browse workspace then select your project and in
goals specify eclipse:eclipse
You can refer to how to run the command mvn e...
Pandas - Get first row value of a given column
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To select the ith row, use iloc:
In [31]: df_test.iloc[0]
Out[31]:
ATime 1.2
X 2.0
Y 15.0
Z 2.0
Btime 1.2
C 12.0
D 25.0
E 12.0
Name: 0, dtype: float64
To select the ith val...