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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
...g like 3.0.3. That version number implies its already been released. You can't release a release. There would be no changes in between and therefore no point.
You're only supposed to release SNAPSHOT versions. That means your version number would be like 3.0.3-SNAPSHOT.
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
I have created a new Single View Application Project in Xcode 6 beta version. I want to rename swift class from ViewController.swift to some other name. But when I select Refactor -> Rename, it gives error Xcode can only refactor C and Objective-C code .
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Is returning by rvalue reference more efficient?
...}
This returns a dangling reference, just like with the lvalue reference case. After the function returns, the temporary object will get destructed. You should return Beta_ab by value, like the following
Beta_ab
Beta::toAB() const {
return Beta_ab(1, 1);
}
Now, it's properly moving a tem...
Does it make sense to do “try-finally” without “catch”?
...ppropriately. Below is a concrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {
// handle exception
}
}
public void yourMethod() throws YourException {
try {
db.s...
SQLite table constraint - unique on multiple columns
I can find syntax "charts" on this on the SQLite website, but no examples and my code is crashing. I have other tables with unique constraints on a single column, but I want to add a constraint to the table on two columns. This is what I have that is causing an SQLiteException with the message "syn...
How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
I have a relative layout which I am creating programmatically:
4 Answers
4
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Rails auto-assigning id that already exists
...", and column name "id" ... please replace them with the correct ones. You can get the sequence name with SELECT pg_get_serial_sequence('tablename', 'columname'); or look at the table definition with \d tablename.
An alternate solution is to override the save() method in your company class to manua...
Concurrent.futures vs Multiprocessing in Python 3
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I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick.
So, like virtual...
Copy multiple files in Python
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You can use os.listdir() to get the files in the source directory, os.path.isfile() to see if they are regular files (including symbolic links on *nix systems), and shutil.copy to do the copying.
The following code copies only t...
How do I make this file.sh executable via double click?
...cript does not have to begin with a #! prefix in this specific scenario, because Terminal specifically arranges to execute it with your default shell. (Of course, you can add a #! line if you want to customize which shell is used or if you want to ensure that you can execute it from the command line...