大约有 12,000 项符合查询结果（耗时：0.0303秒） [XML]
Add column to SQL Server
...Just use the ALTER TABLE... syntax.
Example
ALTER TABLE YourTable
ADD Foo INT NULL /*Adds a new int column existing rows will be
given a NULL value for the new column*/
Or
ALTER TABLE YourTable
ADD Bar INT NOT NULL DEFAULT(0) /*Adds a new int column existing rows will...
Can you supply arguments to the map(&:method) syntax in Ruby?
...is in core - its a common pattern that could use some sugar ala .map(&:foo)
– Stephen
Feb 7 '17 at 22:07
|
show 18 more comments
...
How to replace ${} placeholders in a text file?
...ent for variables like $VAR or ${VAR}, and is a brief one-liner
i=32 word=foo envsubst < template.txt
Of course if i and word are in your environment, then it is just
envsubst < template.txt
On my Mac it looks like it was installed as part of gettext and from MacGPG2
Old Answer
Here is...
git: How to ignore all present untracked files?
... "git add <file>..." to include in what will be committed)
#
# foo
nothing added to commit but untracked files present (use "git add" to track)
[jenny@jenny_vmware:ft]$ git status -uno
# On branch ft
nothing to commit (working directory clean)
Or you can add the files and directires to...
ngClass style with dash in key
... answered Mar 23 '13 at 1:39
Foo LFoo L
10.1k88 gold badges3333 silver badges4848 bronze badges
...
What is the difference between Scala's case class and class?
...ŭloEbermann Because the copy method can modify the fields: val x = y.copy(foo="newValue")
– Thilo
Feb 22 '19 at 7:42
How do I print the type or class of a variable in Swift?
...lf and any instance using .dynamicType:
struct Box<T> {}
toString("foo".dynamicType) // Swift.String
toString([1, 23, 456].dynamicType) // Swift.Array<Swift.Int>
toString((7 as NSNumber).dynamicType) // __NSCFNumber
toString((Bool?).self) // Swift.Optio...
How to make an HTTP request + basic auth in Swift
...nAPIPath = dict["mailgunAPIPath"] as? String
let emailRecipient = "bar@foo.com"
let emailMessage = "Testing%20email%20sender%20variables"
// Create a session and fill it with our request
let session = NSURLSession.sharedSession()
let request = NSMutableURLRequest(URL: NSURL(stri...
“Rate This App”-link in Google Play store app on the phone
...setAction(Intent.ACTION_VIEW);
intent.setData(Uri.parse("market://search?q=foo"));
PackageManager pm = getPackageManager();
List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
If the list has at least one entry, the Market's there.
You can use the following to launch Android Marke...
Submit form on pressing Enter with AngularJS
...ork for you, you could be using a bad name for your submit function. I was foolishly using ng-submit="join()" for a registration controller that had $scope.join = function() {...} and changing that function name to foo() got enter-button submission working again.
– tester
...