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How to force composer to reinstall a library?
I'm using the ZF2 skeleton app and it has a .gitignore that prevents external libraries from being commited to git. While debugging I like to go and change stuff here and there in the libraries' source to learn how things work. If these were version controlled it would be very easy to revert them ba...
Waiting on a list of Future
...utor);
//4 tasks
for(int i = 0; i < 4; i++) {
completionService.submit(new Callable<SomeResult>() {
public SomeResult call() {
...
return result;
}
});
}
int received = 0;
boolean errors = false;
while(received < 4 && !errors) {
...
Case insensitive access for generic dictionary
...ringComparer at the point where you try to get a value. If you think about it, "foo".GetHashCode() and "FOO".GetHashCode() are totally different so there's no reasonable way you could implement a case-insensitive get on a case-sensitive hash map.
You can, however, create a case-insensitive dictiona...
when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
I am using AlertDialog.Builder in order to create an input box, with EditText as the input method.
12 Answers
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When to use a View instead of a Table?
...ovide abstraction over tables. You can add/remove fields easily in a view without modifying your underlying schema
Views can model complex joins easily.
Views can hide database-specific stuff from you. E.g. if you need to do some checks using Oracles SYS_CONTEXT function or many other things
You can...
SQL query to find record with ID not in another table
I have two tables with binding primary key in database and I desire to find a disjoint set between them. For example,
6 Ans...
How to use wait and notify in Java without IllegalMonitorStateException?
...int the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to make the printer thread wait until the multiplyThread noti...
Reading a plain text file in Java
It seems there are different ways to read and write data of files in Java.
28 Answers
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How to check if element in groovy array/hash/collection/list?
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And, in addition, to check if a map contains some not null value under a certain key, it is enough to check the following expression if(aMap["aKey"]==aValue).
– Naeel Maqsudov
Dec 18 '17 at 12:58
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UITextField border color
I have really great wish to set my own color to UITextField border. But so far I could find out how to change the border line style only.
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