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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
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Jenkins workspace is not cleanup or you have FINAL version inside pom.xml. Jenkins has check-out strategy for cleaning up workspace.
More: Maven release plugin - SNAPSHOT project needed
Check-out Strategy options:
Emulate clean checkout by first deleting unversioned files/ignored fi...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
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You can change name of a class in File Inspector at the right side of Xcode6.
open your class
go to File Inspector > Identify and type section
rename existing class in "name" field.
That's all! Previously I manually rename the class name in the class file.
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Rails ActionMailer - format sender and recipient name/email address
...re taking user input for name and email, then unless you very carefully validate or escape the name and email, you can end up with an invalid From header by simply concatenating strings. Here is a safe way:
require 'mail'
address = Mail::Address.new email # ex: "john@example.com"
address.display_na...
Is returning by rvalue reference more efficient?
...ect into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta_ab ab = others.toAB();
And it will move construct the temporary into ab, or do RVO to omit doing a move or copy altogethe...
Does it make sense to do “try-finally” without “catch”?
...oncrete 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.store(mydata);
} finall...
Concurrent.futures vs Multiprocessing in Python 3
...lExecutor
def pool_factorizer_map(nums, nprocs):
# Let the executor divide the work among processes by using 'map'.
with ProcessPoolExecutor(max_workers=nprocs) as executor:
return {num:factors for num, factors in
zip(nums,
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Copy multiple files in Python
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def recursive_copy_files(source_path, destination_path, override=False):
"""
Recursive copies files from source to destination directory.
:param source_path: source directory
:param destination_path: destination directory
:param override if True all files will be o...
How do I make this file.sh executable via double click?
...ick on the .command file and open the infos. There you have the option to hide the suffix (under name & suffix).
– Bijan
Dec 11 '13 at 15:40
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...the execution of that function and display an error message on screen but did not want the entire script to stop executing. The script author could have used throw however it would mean you would have to use a try/catch when calling the function.
return will exit the current scope which can be a fu...
Order data frame rows according to vector with specific order
... In this case, recommend declaring target order as a tibble, to avoid data.frame() conversion to factors. target <- tibble(name = c("b", "c", "a", "d"))
– Nettle
Dec 14 '17 at 17:33
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