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How to resize the iPhone/iPad Simulator?
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Xcode 9.x :
Select Simulator
Goto Window tab
Select Physical Size option (cmd + 1)
Now if this dosen’t make size as per your interest then follow below steps :
Select Simulator
Goto edge of simulator. This will convert your curso...
Bundler: Command not found
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My solution was to make sure I selected a version of Ruby for that repo.
Example: chruby 2.2.2 or rvm use 2.2.2
λ bundle install
zsh: command not found: bundle
λ ruby -v
ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]
### Notice the system ...
Delete sql rows where IDs do not have a match from another table
...HERE f.id IS NULL
Using NOT EXISTS:
DELETE FROM BLOB
WHERE NOT EXISTS(SELECT NULL
FROM FILES f
WHERE f.id = fileid)
Using NOT IN:
DELETE FROM BLOB
WHERE fileid NOT IN (SELECT f.id
FROM FILES f)
Warning
Whenever possible, per...
View contents of database file in Android Studio
...File Explorer (one of the tabs on the right), go to /data/data/databases
Select the database by just clicking on it.
Go to the top right corner of the Android Device Monitor window. Click on the 'pull a file from the device' button:
A window will open asking you where you want to save your data...
GROUP_CONCAT ORDER BY
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You can use ORDER BY inside the GROUP_CONCAT function in this way:
SELECT li.client_id, group_concat(li.percentage ORDER BY li.views ASC) AS views,
group_concat(li.percentage ORDER BY li.percentage ASC)
FROM li GROUP BY client_id
...
PostgreSQL “DESCRIBE TABLE”
... 'table' or \ds 'sequence' and so on)
The SQL standard way, as shown here:
select column_name, data_type, character_maximum_length, column_default, is_nullable
from INFORMATION_SCHEMA.COLUMNS where table_name = '<name of table>';
It's supported by many db engines.
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Failed to build gem native extension (installing Compass)
...l the Xcode Command Line Tools this is the key to install Compass.
xcode-select --install
Installing the Xcode Command Line Tools are the key to getting Compass working on OS X
3. Install Compass
sudo gem install compass
...
How to apply unmerged upstream pull requests from other forks into my fork?
...ew pull request
The pending pull request(s) should be offered. Remember to select proper OtherFork branch too. Select on the left side as the base fork your fork (MyFork) (IMPORTANT).
Now the option of View pull request should change to Create pull request. Click this.
Now you should have a pending...
How do I convert an integer to string as part of a PostgreSQL query?
...o 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this:
SELECT * FROM table
WHERE myint = mytext::int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax
myint = cast ( mytext as int8)
If you have literal text you want to c...
Getting “cannot find Symbol” in Java project in Intellij
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Select Build->Rebuild Project will solve it
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