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What is the Swift equivalent of respondsToSelector?
...ional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
In the case where you still need respondsToSelector:, it is still there as part of the NSObject protocol.
If you are calling respondsToSelector: on an O...
Converting Storyboard from iPhone to iPad
... @PiotrJustyna you can do that. Press start a bounty under the question, select desired amount and Reward existing answer...
– Filip Radelic
Jun 28 '12 at 1:10
33
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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...
How do you create a Distinct query in HQL
...se. (Names have been changed to protect identities)
String queryString = "select distinct f from Foo f inner join foo.bars as b" +
" where f.creationDate >= ? and f.creationDate < ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate...
app-release-unsigned.apk is not signed
...ettings.
Go to Signing Tab. Add a signing config and fill in information. Select your keychain as well.
Go to Build Type tab. Select release mode and set:
-Debuggable to true.
-Signing Config to the config. (The one you just created).
Sync your gradle. Enjoy!
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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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How to do SQL Like % in Linq?
...s:
from c in dc.Organization
where SqlMethods.Like(c.Hierarchy, "%/12/%")
select *;
share
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improve this answer
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Notepad++ add to every line
...first line
Hold down Alt + Shift and use the cursor down key to extend the selection to the end of the block
This allows you to type on every line simultaneously.
I found the solution above here.
I think this is much easier than using regex.
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How can one see the structure of a table in SQLite? [duplicate]
...
You can query sqlite_master
SELECT sql FROM sqlite_master WHERE name='foo';
which will return a create table SQL statement, for example:
$ sqlite3 mydb.sqlite
sqlite> create table foo (id int primary key, name varchar(10));
sqlite> select sql f...
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 = ...