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How do I watch a file for changes?

... file you want to watch). Otherwise, polling will probably be the only really platform-independent option. Note: I haven't tried any of these solutions. share | improve this answer | ...
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How to request Administrator access inside a batch file

...s method doesn't forward arguments. Do you know How that can be done? Basically what I observe is that on the first line %1 has some value and on the last line %1 is null. I need to forward the arguments. – prongs Jan 11 '13 at 11:54 ...
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Why does the expression 0 < 0 == 0 return False in Python?

...o say 0 &lt; x &lt;= 5 than to say (0 &lt; x) and (x &lt;= 5). These are called chained comparisons. And that's a link to the documentation for them. With the other cases you talk about, the parenthesis force one relational operator to be applied before the other, and so they are no longer chained...
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How are feature_importances in RandomForestClassifier determined?

...d in [1] (often cited, but unfortunately rarely read...). It is sometimes called "gini importance" or "mean decrease impurity" and is defined as the total decrease in node impurity (weighted by the probability of reaching that node (which is approximated by the proportion of samples reaching that no...
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round() for float in C++

... but there are others such as round-to-even, which is less biased and generally better if you're going to do a lot of rounding; it's a bit more complex to implement though. share | improve this answ...
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Slow Requests on Local Flask Server

... localhost Once I do this the latency problems go away. I'm really digging Flask and I'm glad that it's not a problem with the framework. I knew it couldn't be. share | improve this ans...
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Log exception with traceback

... log file ERROR:root:Got exception on main handler Traceback (most recent call last): File "/tmp/teste.py", line 9, in &lt;module&gt; run_my_stuff() NameError: name 'run_my_stuff' is not defined share | ...
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Determining Referer in PHP

...s the most reliable and secure way to determine what page either sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site. Edit: I am...
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“Large data” work flows using pandas

... one contains different fields, or do they have some records per file with all of the fields in each file? Do you ever select subsets of rows (records) based on criteria (e.g. select the rows with field A &gt; 5)? and then do something, or do you just select fields A, B, C with all of the records (a...
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How does Trello access the user's clipboard?

...source code Trello uses to accomplish the clipboard trick. We don't actually "access the user's clipboard", instead we help the user out a bit by selecting something useful when they press Ctrl+C. Sounds like you've figured it out; we take advantage of the fact that when you want to hit Ctrl+C, ...