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Postgresql SELECT if string contains
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A proper way to search for a substring is to use position function instead of like expression, which requires escaping %, _ and an escape character (\ by default):
SELECT id FROM TAG_TABLE WHERE position(tag_name in 'aaaaaaaaaaa')>0;
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Difference between @OneToMany and @ElementCollection?
...lection is not a collection of entities, but a collection of simple types (Strings, etc.) or a collection of embeddable elements (class annotated with @Embeddable).
It also means that the elements are completely owned by the containing entities: they're modified when the entity is modified, deleted...
Why is vertical-align: middle not working on my span or div?
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This is very unpredictable and often results in extra height on the container.
– Undistraction
Nov 18 '15 at 14:23
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Android ListView with different layouts for each row
.../LinearLayout>
Then, we create the listview item. In our case, with a string and a type.
public class ListViewItem {
private String text;
private int type;
public ListViewItem(String text, int type) {
this.text = text;
this.type = type;
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How to launch an Activity from another Application in Android
...better, here is the method:
public void startNewActivity(Context context, String packageName) {
Intent intent = context.getPackageManager().getLaunchIntentForPackage(packageName);
if (intent != null) {
// We found the activity now start the activity
intent.addFlags(Intent.FL...
How to format a number as percentage in R?
...) function.
label_percent() returns a function, so to use it, you need an extra pair of parentheses.
library(scales)
x <- c(-1, 0, 0.1, 0.555555, 1, 100)
label_percent()(x)
## [1] "-100%" "0%" "10%" "56%" "100%" "10 000%"
Customize this by adding arguments inside the first s...
How to force keyboard with numbers in mobile website in Android
...ains focus.
<input type="search" />
shows a normal keyboard with an extra search button
Everything else seems to bring up the standard keyboard.
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NullPointerException accessing views in onCreate()
...ue"
android:layout_marginTop="30dp"
android:text="@string/hello"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"/>
<Button
android:id="@+id/example_button_two"
android:layout_width="wrap_conten...
Is “else if” faster than “switch() case”? [duplicate]
...he hood, knowing the compiler and use the most of it, becues one day those extra MS might save your day. Coming from C++ i see a lot of this thinking and behaviour in C# and it´s a shame. Rather answer his question then disregarding it.
– Tordin
Mar 8 '17 at 1...
How to hide one item in an Android Spinner
...that you want to hide.
public class CustomAdapter extends ArrayAdapter<String> {
private int hidingItemIndex;
public CustomAdapter(Context context, int textViewResourceId, String[] objects, int hidingItemIndex) {
super(context, textViewResourceId, objects);
this....