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Postgres unique constraint vs index
...ead access to the table.
Adding a constraint does put a table lock (so all selects are blocked) since it is added via ALTER TABLE.
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iPhone: How to switch tabs with an animation?
...programmatically in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab.
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How to create EditText with rounded corners? [closed]
...g="utf-8"?>
<!-- res/drawable/rounded_edittext_states.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:state_enabled="true"
android:drawable="@drawable/rounded_focused" />
&...
Check if string matches pattern
...ngs (and also return things... but for now just think of them grouping)
+ selects 1 or more
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How to create permanent PowerShell Aliases
...able them, open settings -> Update & Security -> For developers. Select Developer Mode (might require restart).
.
Scroll down to the PowerShell section, tick the "Change execution policy ..." option, and apply.
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GitHub: How to make a fork of public repository private?
...
Just go to https://github.com/new/import paste the repo you want and select Private
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iOS: Access app-info.plist variables in code
...? If you view your info.plist as source code (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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How do I convert from stringstream to string in C++?
...str();
}
if you want the character type of your string could be run-time selectable, you should also make it a template variable.
template <class CharType, class NumType>
std::basic_string<CharType> YourClass::NumericToString(const NumType & NumericValue)
{
std::basic_ostrings...
Deleting rows with MySQL LEFT JOIN
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DELETE FROM deadline where ID IN (
SELECT d.ID FROM `deadline` d LEFT JOIN `job` ON deadline.job_id = job.job_id WHERE `status` = 'szamlazva' OR `status` = 'szamlazhato' OR `status` = 'fizetve' OR `status` = 'szallitva' OR `status` = 'storno');
I am not sur...
Rails: How to list database tables/objects using the Rails console?
...how the tables
.table
'.help' to see help.
Or use SQL statements like 'Select * from cars'
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