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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...
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
add a comment
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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)
share
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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...
How to delete a word and go into insert mode in Vim?
...I edited the answer from telling about "co{" to "ca{" as reminded by jinxed_coders comment. My old customization implements "(a) <>" commands as "(o)uter <>" commands.
– Kaali
Sep 7 '09 at 4:34
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