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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
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You can add ORDER BY NULL to the GROUP BY to avoid the sort.
– Ariel
Aug 20 '14 at 3:21
Sti...
No identities were available - administrator request
I had problems while "archiving" my app. I think there are invalid profiles because of iPhone Update to 5.1 and XCode update to 4.2.2.
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Hidden Features of MySQL
...s to require a fair bit of planning and re-organizing the SQL queries to guide MySQL to execute them faster.
Administration:
max_connections is the number of concurrent connections. The default value is 100 connections (151 since 5.0) - very small.
Note:
connections take memory and your OS migh...
How to create EditText with rounded corners? [closed]
...gt;
<!-- res/drawable/rounded_edittext.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
android:padding="10dp">
<solid android:color="#FFFFFF" />
<corners
android:bottomRightRadius="15dp"
andro...
How to manually set an authenticated user in Spring Security / SpringMVC
....createNewUser(userRegistrationFormBean, userLocale, Constants.SYSTEM_USER_ID);
String emailAddress = userRegistrationFormBean.getChooseEmailAddressFormBean().getEmailAddress();
String password = userRegistrationFormBean.getChoosePasswordFormBean().getPassword();
doAutoLogin(...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...d cast the result like that and expect it to magically work ;)
The User guide for Gson Explains how to deal with this:
https://github.com/google/gson/blob/master/UserGuide.md
This will work:
ChannelSearchEnum[] enums = gson.fromJson(yourJson, ChannelSearchEnum[].class);
But this is better:
Ty...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
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without proper browser support I don't see this as a valid answer, sorry.
– emachine
Aug 30 '13 at 17:37
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show 21 more c...
Gray out image with CSS?
...set that to be gray (change the alpha to get the effect).
html:
<div id="wrapper">
<img id="myImage" src="something.jpg" />
</div>
css:
#myImage {
opacity: 0.4;
filter: alpha(opacity=40); /* msie */
}
/* or */
#wrapper {
opacity: 0.4;
filter: alpha(opacit...
How can I render a list select box (dropdown) with bootstrap?
...nu which appears is boxy, less pretty, like the alert box your browser provides. Small issue really. The un-clicked selector looks exactly like a Bootstrap one, however.
– Robert
Nov 3 '16 at 8:40
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
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Try to do an UPDATE. If it doesn't modify any row that means it didn't exist, so do an insert. Obviously, you do this inside a transaction.
You can of course wrap this in a function if you don't want to put the extra code on the client side. You also need a loop for the very rare race con...