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abort, terminate or exit?
...e exceptions you can't handle in main() and simply return from there. This means that you are guaranteed that stack unwinding happens correctly and all destructors are called. In other words:
int main() {
try {
// your stuff
}
catch( ... ) {
return 1; // or whatever
...
Naming convention for unique constraint
...ould be that the key is "ThingID", a surrogate key used in place of ThingName the natural key. You still need to constrain ThingName: it won't be used as a key though.
I'd also use UQ and UQC (if clustered).
You could use a unique index instead and go for "IXU". By the logic employed, an index is ...
How can I create a Set of Sets in Python?
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add a comment
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Using semicolon (;) vs plus (+) with exec in find
...t if you use a plus sign instead (find . -exec ls '{}' \+), as many filenames as possible are passed as arguments to a single command:
ls file1 file2 file3
The number of filenames is only limited by the system's maximum command line length. If the command exceeds this length, the command will be...
PhpStorm wrap/surround selection?
...Storm, almost everything can be configured but a little tricky and takes some learning curve.
It's very common behaviour that select a word and type single quote (or double quote) to surround it.
Hello World
'Hello World'
"Hello World"
To enable this, tick on checkbox of Preferences -> IDE -&...
Which is better, return value or out parameter?
If we want to get a value from a method, we can use either return value, like this:
17 Answers
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NameError: global name 'unicode' is not defined - in Python 3
...ackage called bidi. In a module in this package (algorithm.py) there are some lines that give me error, although it is part of the package.
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Check if a string matches a regex in Bash script
One of the arguments that my script receives is a date in the following format: yyyymmdd .
5 Answers
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How to use MDC with thread pools?
...oftware we extensively use MDC to track things like session IDs and user names for web requests. This works fine while running in the original thread. However, there's a lot of things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and java.util...
How to handle button clicks using the XML onClick within Fragments
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You could just do this:
Activity:
Fragment someFragment;
//...onCreate etc instantiating your fragments
public void myClickMethod(View v) {
someFragment.myClickMethod(v);
}
Fragment:
public void myClickMethod(View v) {
switch(v.getId()) {
...