大约有 40,000 项符合查询结果(耗时:0.0625秒) [XML]
Can I return the 'id' field after a LINQ insert?
...? there is no insertonsubmit or submitchanges??
– Bat_Programmer
Jul 4 '12 at 0:35
1
@Confused Pr...
Is there a better way to find out if a local git branch exists?
... or nothing if it doesn't.
Assign it to a variable and check for an empty string.
exists=`git show-ref refs/heads/<branch-name>`
if [ -n "$exists" ]; then
echo 'branch exists!'
fi
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...
Update one MySQL table with values from another
...l named key such as id. ie an equi-join - http://en.wikipedia.org/wiki/Join_(SQL)#Equi-join
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rails 3 validation on uniqueness on multiple attributes
...
In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at...
How to center align the ActionBar title in Android?
...tViewTitle = (TextView) findViewById(R.id.mytext);
textViewTitle.setText(R.string.title_for_this_activity);
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How to print to console using swift playground?
...le displaying the output in the Assistant Editor. Rather than wrapping the string in println(), simply output the string. For example:
for index in 1...5 {
"The number is \(index)"
}
Will write (5 times) in the playground area. This will allow you to display it in the Assistant Editor (via th...
Typing Enter/Return key using Python and Selenium?
...
For Python, I found that appending "\n" to the input string is the most straightforward way to go. It worked in a search field.
– YakovK
Jan 10 '19 at 6:09
...
Jump to matching XML tags in Vim
...is almost the same, but it doesn't include the outer tags.
The 'y' in the string is of course the normal mode "yank" command. (:help y)
a or i can be used for object selection after an operator such as y or inside a visual selection. The symbol after a or i specifies what should be selected. Th...
Multi-line EditText with Done action button
...: '"textMultiLine"
Normal text keyboard that allow users to input long strings of text that include line breaks (carriage returns).' Therefore the textMultiLine attribute is not appropriate if you want to have the 'Done' button in the keyboard.
A simple way to get a multi-line (in this case 3 l...
How to delete cookies on an ASP.NET website
...move it from the user's disk.
Here is a sample:
HttpCookie aCookie;
string cookieName;
int limit = Request.Cookies.Count;
for (int i=0; i<limit; i++)
{
cookieName = Request.Cookies[i].Name;
aCookie = new HttpCookie(cookieName);
aCookie.Expires = DateTime...
