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Cron job every three days
...* *
It will run every 72 hours non-interrupted.
https://crontab.guru/#0_/72___
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How can I specify working directory for popen
...wd, import os and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
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Comments in Android Layout xml
...hem inside tags
<EditText <!--This is not valid--> android:layout_width="fill_parent" />
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Example of multipart/form-data
...0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: __atuvc=34%7C7; permanent=0; _gitlab_session=226ad8a0be43681acf38c2fab9497240; __profilin=p%3Dt; request_method=GET
Connection: keep-alive
Content-Type: multipart/form-data; boundary=---------------------------905191404154484...
std::unique_lock or std::lock_guard?
...
The difference is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction.
So for use case B you definitely need a std::unique_lock for the condition variable. In case A it depends whether you need to relo...
When should you use constexpr capability in C++11?
...lues over and over?
int func (int n) {
static std::map<int, int> _cached;
if (_cached.find (n) == _cached.end ())
_cached[n] = n > 0 ? n + func (n-1) : n;
return _cached[n];
}
The result
By introducing your silly optimization, you just broke every usage of your function th...
How do I get PyLint to recognize numpy members?
...en with the latest versions of all related packages (astroid 1.3.2, logilab_common 0.63.2, pylon 1.4.0).
The following solution worked like a charm: I added numpy to the list of ignored modules by modifying my pylintrc file, in the [TYPECHECK] section:
[TYPECHECK]
ignored-modules = numpy
Depend...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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If the variable ax.xaxis._autolabelpos = True, matplotlib sets the label position in function _update_label_position in axis.py according to (some excerpts):
bboxes, bboxes2 = self._get_tick_bboxes(ticks_to_draw, renderer)
bbox = mtransforms...
Is there a way to perform “if” in python's lambda
...
If you still want to print you can import future module
from __future__ import print_function
f = lambda x: print(x) if x%2 == 0 else False
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How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
...an underscore.
For example:
@Html.TextBoxFor(vm => vm.City, new { data_bind = "foo" })
will render this in MVC 3:
<input data-bind="foo" id="City" name="City" type="text" value="" />
If you're still using an older version of MVC, you can mimic what MVC 3 is doing by creating this sta...