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Cleanest way to write retry logic?
...hat the second and following exceptions often are different from the first one. In that case you hide the initial problem when rethrowing only the last exception.
– TToni
Mar 22 '12 at 11:21
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How to manually set an authenticated user in Spring Security / SpringMVC
...
Anyone following this guidance should also see this related issue: stackoverflow.com/questions/4824395/…
– David Parks
Jan 31 '11 at 10:51
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How do I tokenize a string in C++?
...ora of ways to split strings based on arbitrarily complex delimiters, but none of them is encapsulated as nicely as in other languages. The numerous ways fill whole blog posts.
At its simplest, you could iterate using std::string::find until you hit std::string::npos, and extract the contents using...
How to properly assert that an exception gets raised in pytest?
...le():
try:
x = 1 / 0
assert False
except ZeroDivisionError:
assert True
def test_fails_but_bad_style():
try:
x = 1 / 1
assert False
except ZeroDivisionError:
assert True
Output
=======================================================...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
...o not have a 'config' file in the ~/.ssh directory, then you should create one. It does not need root rights, so simply:
nano ~/.ssh/config
...and enter the lines above as per your requirements.
For this to work the file needs to have chmod 600. You can use the command chmod 600 ~/.ssh/config.
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Calculating the difference between two Java date instances
...care about time comparisions, most Date implementations (including the JDK one) implements Comparable interface which allows you to use the Comparable.compareTo()
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Return value in a Bash function
... are visible only to the function and the
commands it invokes.
For someone with a C/C++/Python/Java/C#/javascript background, this is probably the biggest hurdle: functions in bash are not functions, they are commands, and behave as such: they can output to stdout/stderr, they can pipe in/out, t...
How to show “Done” button on iPhone number pad
There is no "Done" button on the number pad. When a user finishes entering numeric information in a text field, how can I make the number pad disappear?
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
... It just sets multiple project to start at the same time, instead of just one which is typical. If the project is a Class Lib (dll) then it's going to show an error message saying it can't be started. Whether or not a project is a start project or not has no bearing on debugging.
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SQL JOIN - WHERE clause vs. ON clause
...mance generalizations based on observed behaviors like this. What was true one day tends to be wrong the next, because this is an implementation detail rather than documented behavior. Database teams are always looking for places to improve optimizer performance. I'll be surprised if the ON behavior...