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How to do error logging in CodeIgniter (PHP)
...on/logs folder writable
In /application/config/config.php set $config['log_threshold'] = 1; or use a higher number, depending on how much detail you want in your logs
Use log_message('error', 'Some variable did not contain a value.');
To send an email you need to extend the core CI_Exceptions class...
Moving average or running mean
...ode below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(movi...
Best way to do Version Control for MS Excel
...iew to "Workbook" view.
Contents of "Workbook" view:
Private Sub Workbook_Open()
ImportCodeModules
End Sub
Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)
SaveCodeModules
End Sub
I'll be settling into this workflow over the next few weeks, and I'll post if I ha...
How do I get a TextBox to only accept numeric input in WPF?
...nly want to allow numbers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.IsMatch(text);
}
If you want to prevent pasting of incorrect data hook up the DataObj...
Creating a config file in PHP
...
@Luka You can use var_export function.
– Hasan Bayat
Sep 30 '17 at 12:25
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Tool to convert Python code to be PEP8 compliant
...ther plugin "Python Script". However, it works. Plz check here: bit.ly/pep8_tonizer
– kmonsoor
Apr 28 '14 at 15:23
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Creating a zero-filled pandas data frame
... try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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How to convert std::string to lower case?
...thm/string.hpp>
std::string str = "HELLO, WORLD!";
boost::algorithm::to_lower(str); // modifies str
Or, for non-in-place:
#include <boost/algorithm/string.hpp>
const std::string str = "HELLO, WORLD!";
const std::string lower_str = boost::algorithm::to_lower_copy(str);
...
How do I download a tarball from GitHub using cURL?
...API version is this and where is it documented?
– l3l_aze
Jul 22 at 4:33
1
@l3l_aze Just edited ...
getSupportActionBar from inside of Fragment ActionBarCompat
...et.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
Now how we can control it from M...