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Traits vs. interfaces
...sing APC:
class ApcCacher
{
public function fetch($key) {
return apc_fetch($key);
}
public function store($key, $data) {
return apc_store($key, $data);
}
public function delete($key) {
return apc_delete($key);
}
}
Then, in your HTTP response object, you check for a cache h...
How to write a cron that will run a script every day at midnight?
...native.
# Run once after reboot.
@reboot /usr/local/sbin/run_only_once_after_reboot.sh
You can also use this trick to run your cron job multiple times per minute.
# Run every minute at 0, 20, and 40 second intervals
* * * * * sleep 00; /usr/local/sbin/run_3times_per_min...
Unresolved external symbol in object files
...ion. Solution was to add following preproc lines in every .h file:
#ifdef __cplusplus
extern "C"
{
#endif
and these in the end
#ifdef __cplusplus
}
#endif
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >& squares)
{
// blur will enhance edge detection
Mat blurred(image);
medianBlur(image, blurred, 9);
Mat gray0(blurred.size(), CV_8U), gray;
v...
Set focus on TextBox in WPF from view model
... force it to false and then true. public bool IsFocused { get { return _isFocused; } set { if (_isFocused == value) { _isFocused = false; OnPropertyChanged(); } _isFocused = value; OnPropertyChanged(); } }
...
How to get the raw value an field?
...nswered Sep 18 '13 at 2:50
int32_tint32_t
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...
Pretty Printing a pandas dataframe
...
from tabulate import tabulate
import pandas as pd
df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007],
'column_3' : ['ABCD', 'ABCD', 'long string', 'ABCD']})
print(tabulate(df, headers='keys', tablefmt='psql'))
+----+-----------+-------------+
| | col_two | co...
Set select option 'selected', by value
... easier way that doesn't require you to go into the options tag:
$("div.id_100 select").val("val2");
Check out the this jQuery method.
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
...
@Brian: not with that magic + sign! ¯\_(ツ)_/¯
– jAndy
Aug 2 '11 at 11:33
...
How to architect an Ember.js application
...er-todos-with-build-tools-tests-and-other-modern-conveniences
EDIT:
@sly7_7 : I'd also give an other example, using ember-data https://github.com/dgeb/ember_data_example
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