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Pattern to avoid nested try catch blocks?
Consider a situation where I have three (or more) ways of performing a calculation, each of which can fail with an exception. In order to attempt each calculation until we find one that succeeds, I have been doing the following:
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Ruby - test for array
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edited Mar 30 at 18:35
siery
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answered Oct 6...
Iterate through object properties
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Iterating over properties requires this additional hasOwnProperty check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's pr...
Why can't I use the 'await' operator within the body of a lock statement?
The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement.
8 Answers
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Why does Android use Java? [closed]
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Some points:
Java is a known language, developers know it and don't have to learn it
it's harder to shoot yourself with Java than with C/C++ code since it has no pointer arithmetic
it runs in a VM, so no need to recompile it for every phone out there and easy to secure
large numb...
How do I undo 'git add' before commit?
I mistakenly added files to Git using the command:
36 Answers
36
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Is it safe to remove selected keys from map within a range loop?
How can one remove selected keys from a map?
Is it safe to combine delete() with range, as in the code below?
4 Answers
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How do you rename a Git tag?
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Here is how I rename a tag old to new:
git tag new old
git tag -d old
git push origin :refs/tags/old
git push --tags
The colon in the push command removes the tag from the remote repository. If you don't do this, Git will create the old tag on your machine when y...
Avoid web.config inheritance in child web application using inheritInChildApplications
...r mentioned, you cannot simply add the line...
<location path="." inheritInChildApplications="false">
...just below <configuration>. Instead, you need to wrap the individual web.config sections for which you want to disable inheritance. For example:
<!-- disable inheritance for th...
Does Python optimize tail recursion?
I have the following piece of code which fails with the following error:
6 Answers
6
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