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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,
...
Copy multiple files in Python
...
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
...
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
...
image.onload event and browser cache
...oad = function () {
alert("image is loaded");
}
img.src = "img.jpg";
Fiddle - tested on latest Firefox and Chrome releases.
You can also use the answer in this post, which I adapted for a single dynamically generated image:
var img = new Image();
// 'load' event
$(img).on('load', function() {...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work together.
...
GitHub: make fork an “own project”
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How to convert floats to human-readable fractions?
...
I have found David Eppstein's find rational approximation to given real number C code to be exactly what you are asking for. Its based on the theory of continued fractions and very fast and fairly compact.
I have used versions of this cust...