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Is there a Python equivalent of the C# null-coalescing operator?
... use this to trigger the default value without using None specifically (an error object, for example).
In some languages this behavior is referred to as the Elvis operator.
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Android List Preferences: have summary as selected value?
...s);
context = getActivity();
if (context == null){
Log.e("error","context is null");
}
prefs = PreferenceManager.getDefaultSharedPreferences(context);
myFrequencyList = (Preference) findPreference("frequency_key");
prefs.registerOnSharedPreferenceChangeListener(thi...
How to prevent favicon.ico requests?
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BOOM THIS! Thanks :D now I won't see that annoying error, until I finally get around to making that icon hehe.
– Leon Gaban
Jan 25 '16 at 22:42
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NSURLRequest setting the HTTP header
...uest = NSMutableURLRequest(URL:url)
request.HTTPMethod = "POST"
var err: NSError?
request.HTTPBody = NSJSONSerialization.dataWithJSONObject(params, options: nil, error: &err)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHead...
Npm install failed with “cannot run in wd”
... 'unsafe-perm': true failed for me too. Shame it didn't give the error and context (including its uid change) in the error message, instead of dumbing the cause out of existence and giving something cryptic, surprising, and hostile.
– android.weasel
J...
Regex to get string between curly braces
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@meouw sa = s.split("/\{([^}]+)\}/"); gives a compile error. illegal repetition, invalid escape character.
– likejudo
Dec 26 '12 at 0:22
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Delete everything in a MongoDB database
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Better than db[c], use db.getCollection(c) which avoids errors when collection names are digits.
– Jason R. Coombs
Aug 1 '16 at 16:32
1
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continue processing php after sending http response
...essing continues
// do desired processing ...
$expensiveCalulation = 1+1;
error_log($expensiveCalculation);
Source: https://www.php.net/manual/en/function.fastcgi-finish-request.php
PHP issue #68722: https://bugs.php.net/bug.php?id=68772
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What does iota of std::iota stand for?
I'm assuming the "i" is increment and the "a" is assign, but I could not figure out or find the answer. Also, it looks very similar to the non-standard itoa which I think is confusing.
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Apache redirect to another port
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this caused an error "Service Unavailable" on my httpd until I did /usr/sbin/setsebool -P httpd_can_network_connect 1
– vladkras
Oct 7 '16 at 9:34
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