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错误解决:Xcode not set up properly. You may need to confirm the licens...
...
或
1
sudo -i xcode-select -switch /Applications/Xcode6-Beta6.app/Contents/Developer
根据具体路径：
（sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer）
升级xcode 后 Qt 出问题了，goo...
Is there a difference between copy initialization and direct initialization?
...ain function :
int main()
{
A a1 = 1; // OK: copy-initialization selects A::A(int)
A a2(2); // OK: direct-initialization selects A::A(int)
A a3 {4, 5}; // OK: direct-list-initialization selects A::A(int, int)
A a4 = {4, 5}; // OK: copy-list-initialization selects A::A(i...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
... ListView item, it's that simple. When the system notifies you of the user selection, you receive three identifying variables to tell you what was selected:
a reference to the view itself,
its numeric position in the list,
this long you attached to the individual elements.
It's up to you to deci...
HTML5 canvas ctx.fillText won't do line breaks?
...
If you just want to take care of the newline chars in the text you could simulate it by splitting the text at the newlines and calling multiple times the fillText()
Something like http://jsfiddle.net/BaG4J/1/
var c = document.getElementById('c').getContext('2d');
...
Rails: How can I set default values in ActiveRecord?
...
See Paul Russell's comment on this answer for more details
If you're only selecting a subset of columns for a model (ie; using select in a query like Person.select(:firstname, :lastname).all) you will get a MissingAttributeError if your init method accesses a column that hasn't been included in the...
Best way to add Activity to an Android project in Eclipse?
...th Eclipse 3.5.2 on Ubuntu 10.04. When the add dialog comes up, it has two selections... No, now only one "Create a new element at the top level, in Application." Ne;low that there is a text entry field and below that, a box with selections for Activity, Activity Alias, Meta Data and so on. Below th...
MySQL with Node.js
....log('connected as id ' + connection.threadId);
connection.query("select * from user",function(err,rows){
connection.release();
if(!err) {
res.json(rows);
}
});
connection.on('error', function(err) {
...
What Product Flavor does Android Studio build by default in build.gradle?
...
Currently there appears to be no way to select default flavor. There is a feature request in Android Issue Tracker for it:
https://code.google.com/p/android/issues/detail?id=64917
You can star/vote the request, so it gets higher priority on Android development to...
Populate data table from data reader
... conn = new SqlConnection(connString);
string query = "SELECT * FROM Customers";
SqlCommand cmd = new SqlCommand(query, conn);
conn.Open();
SqlDataReader dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
DataTable dtSchema = ...
vim - How to delete a large block of text without counting the lines?
...ed {v}), Visual Line Mode (Line based {S-v}) and Visual Block Mode (Allows selection of blocks {C-v})
– Tom Regner
Apr 3 '11 at 18:10
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