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MySQL Error 1093 - Can't specify target table for update in FROM clause
...n case certain operations are carried out, merging cannot happen. E.g. provide the derived dummy table with a LIMIT (to inifity) and the error will never occur. That's pretty hackish though and there is still the risk that future versions of MySQL will support merging queries with LIMIT after all.
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How to implement a ViewPager with different Fragments / Layouts
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Also be aware that I am using the support-library's Fragment:
android.support.v4.app.Fragment
MainActivity.java (Initializes the Viewpager and has the adapter for it as an inner class). Again have a look at the imports. I am using the android.support.v4 package.
import android.os.Bundle;
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What should my Objective-C singleton look like? [closed]
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Another option is to use the +(void)initialize method. From the documentation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the ...
jQuery select2 get value of select tag?
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for an select called by id name instead of class name, use: $(".first").val()
– Rui Martins
Jun 21 '17 at 9:15
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Single Sign On across multiple domains [closed]
...a database. If the user is already authenticated it looks up their session id in the database.
The master domain returns to the client domain (client.mydomain.com/client_login.php) passing the session id.
The client domain creates a cookie storing the session id from the master. The client can find ...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...g/feeds instead of sharer.php
https://www.facebook.com/dialog/feed?
app_id=145634995501895
&display=popup&caption=An%20example%20caption
&link=https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2Fdialogs%2F
&redirect_uri=https://developers.facebook.com/tools/explorer
Official a...
Populating a ListView using an ArrayList?
My Android app needs to populate the ListView using the data from an ArrayList .
5 Answers
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
I am trying to populate a GridView using Entity Frameworkm but every time I am getting the following error:
7 Answers
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Making macOS Installer Packages which are Developer ID ready
...HelloWorldAppComponents.plist" \
--scripts "./Package/Scripts" \
--identifier "com.test.pkg.HelloWorld" \
--version "$VERSION" \
--install-location "/" \
"${BUILT_PRODUCTS_DIR}/HelloWorld.pkg"
pkgbuild --root "${BUILT_PRODUCTS_DIR}/Helper.app" \
--component-plist "./Package/H...
Using the “animated circle” in an ImageView while loading stuff
...is block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width="wrap_content"
android:lay...