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What rules does Pandas use to generate a view vs a copy?
I'm confused about the rules Pandas uses when deciding that a selection from a dataframe is a copy of the original dataframe, or a view on the original.
...
How do I resolve configuration errors with Nant 0.91?
... to be performed: before extracting, one must right click on the zip file, select Properties and under the General tab, click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line ...
Squash the first two commits in Git? [duplicate]
...te July 2012 (git 1.7.12+)
You now can rebase all commits up to root, and select the second commit Y to be squashed with the first X.
git rebase -i --root master
pick sha1 X
squash sha1 Y
pick sha1 Z
git rebase [-i] --root $tip
This command can now be used to rewrite all the history lead...
How can I configure my makefile for debug and release builds?
...lds.
Supports ...
separate project directories for specific builds
easy selection of a default target build
silent prep target to create directories needed for building the project
build-specific compiler configuration flags
GNU Make's natural method of determining if project requires a rebuild
p...
How do you set a default value for a MySQL Datetime column?
...test (str) values ("demo");
Query OK, 1 row affected (0.00 sec)
mysql> select * from test;
+------+---------------------+
| str | ts |
+------+---------------------+
| demo | 2008-10-03 22:59:52 |
+------+---------------------+
1 row in set (0.00 sec)
mysql>
**CAVEAT: IF...
PHP Redirect with POST data
... the output of a
POST-activated script to redirect the
user agent to a selected resource. The
new URI is not a substitute reference
for the originally requested resource.
The 303 response MUST NOT be cached,
but the response to the second
(redirected) request might be
cacheable.
Th...
Express res.sendfile throwing forbidden error
.... good catch. I didn't notice this small difference. I also wonder if the selected answer works not because it uses .sendfile but because it relies on something else completely (path). Thanks for pointing this out.
– tenor528
Feb 10 '16 at 15:53
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How do I time a method's execution in Java?
....stop());
The nice thing is that Stopwatch.toString() does a good job of selecting time units for the measurement. I.e. if the value is small, it'll output 38 ns, if it's long, it'll show 5m 3s
Even nicer:
Stopwatch timer = Stopwatch.createUnstarted();
for (...) {
timer.start();
methodToTr...
Rails Model, View, Controller, and Helper: what goes where?
...rols the view but not the logic. The Controller should concern itself with selecting the proper view and delegate more complex stuff to the domain model (Model) or the business layer.
Domain Driven Design has a concept of Services which is a place you stick logic which needs to orchestrate a number...
How to add item to the beginning of List?
I want to add a "Select One" option to a drop down list bound to a List<T> .
5 Answers
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