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What's the simplest way to subtract a month from a date in Python?
...with param month doesn't work but months works In [23]: created_datetime__lt - relativedelta(months=1) Out[23]: datetime.datetime(2016, 11, 29, 0, 0, tzinfo=<StaticTzInfo 'Etc/GMT-8'>) In [24]: created_datetime__lt - relativedelta(month=1) Out[24]: datetime.datetime(2016, 1, 29,...
How do I unload (reload) a Python module?
...lib import reload
import foo
while True:
# Do some things.
if is_changed(foo):
foo = reload(foo)
In Python 3, reload was moved to the imp module. In 3.4, imp was deprecated in favor of importlib, and reload was added to the latter. When targeting 3 or later, either reference the...
Html5 data-* with asp.net mvc TextboxFor html attributes
...
You could use underscore (_) and the helper is intelligent enough to do the rest:
@Html.TextBoxFor(
model => model.Country.CountryName,
new { data_url = Url.Action("CountryContains", "Geo") }
)
And for those who want to achieve the same...
How to return a string value from a Bash function
...iable with the string you want to return.
#!/bin/bash
set -x
function pass_back_a_string() {
eval "$1='foo bar rab oof'"
}
return_var=''
pass_back_a_string return_var
echo $return_var
Prints "foo bar rab oof".
Edit: added quoting in the appropriate place to allow whitespace in string to add...
How to change Navigation Bar color in iOS 7?
... Guide
if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) {
// iOS 6.1 or earlier
self.navigationController.navigationBar.tintColor = [UIColor redColor];
} else {
// iOS 7.0 or later
self.navigationController.navigationBar.barTintCo...
How to pass values between Fragments
...uper.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (findViewById(R.id.container) != null) {
if (savedInstanceState != null) {
return;
}
getFragmentManager().beginTransaction()
...
Rails: confused about syntax for passing locals to partials
...s. However, in that subsequent call, it actually assigns :locals => your_locals_argument, which in this case is the entire :locals => {locals hash}, instead of just {locals hash}; i.e. you end up with :locals => {:locals => {locals hash}}, rather than :locals => {locals hash}.
So my ...
pandas GroupBy columns with NaN (missing) values
...
No, this is not consistent with R. df %>% group_by will give NA summaries too with a warning which can be avoided by passing the grouping column through fct_explicit_na and then a (Missing) level is created.
– Ravaging Care
Aug 16 '1...
Define make variable at rule execution time
...te a unique variable, you could do the following:
out.tar :
$(eval $@_TMP := $(shell mktemp -d))
@echo hi $($@_TMP)/hi.txt
tar -C $($@_TMP) cf $@ .
rm -rf $($@_TMP)
This would prepend the name of the target (out.tar, in this case) to the variable, producing a variable with the na...
“Keep Me Logged In” - the best approach
...to page within the app. In this specific application, I'm storing the user_id , first_name and last_name of the person.
...