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HashSet vs. List performance
...e generic List<T> class. Just compare the hash-based key with the linear approach in the List<T> class.
12 ...
IISExpress returns a 503 error from remote machines
I'm attempting to test a website I have running in a local IISExpress instance with some other machines / devices on my local network. I am running Win7 Pro.
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...n you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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Multiple returns from a function
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There is no way of returning 2 variables. Although, you can propagate an array and return it; create a conditional to return a dynamic variable, etc.
For instance, this function would return $var2
function wtf($blahblah = true) {
$var1 = "ONe"...
Run function from the command line
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With the -c (command) argument (assuming your file is named foo.py):
$ python -c 'import foo; print foo.hello()'
Alternatively, if you don't care about namespace pollution:
$ python -c 'from foo import *; print hello()'
And the middle ground:
$ python -c ...
How to import a Python class that is in a directory above?
I want to inherit from a class in a file that lies in a directory above the current one.
7 Answers
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How do I immediately execute an anonymous function in PHP?
In JavaScript, you can define anonymous functions that are executed immediately:
9 Answers
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How to list the tables in a SQLite database file that was opened with ATTACH?
What SQL can be used to list the tables, and the rows within those tables in an SQLite database file - once I have attached it with the ATTACH command on the SQLite 3 command line tool?
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How do I display the current value of an Android Preference in the Preference summary?
...lic void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
Preference pref = findPreference(key);
if (pref instanceof ListPreference) {
ListPreference listPref = (ListPreference) pref;
pref.setSummary(listPref.getEntry());
}
}
This is easily ...
Parsing Visual Studio Solution files
How can I parse Visual Studio solution (SLN) files in .NET?
I would like to write an app that merges multiple solutions into one while saving the relative build order.
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