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How can I multiply all items in a list together with Python?
...Convenient if you're already using Numpy. You probably don't even need to cast it as a list first, this should work for most cases result = np.prod(mylist)
– Nick
Jun 9 '16 at 23:47
...
Query an XDocument for elements by name at any depth
...ement> mails = ((IEnumerable)doc.XPathEvaluate("/emails/emailAddress")).Cast<XElement>();
Note that
var res = doc.XPathEvaluate("/emails/emailAddress");
results either a null pointer, or no results.
share
...
Setting DEBUG = False causes 500 Error
...UG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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Check status of one port on remote host [closed]
I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
Where'd padding go, when setting background Drawable?
I have this issue on my EditText and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
... When I make changes to my application's .css file inside of Visual Studio and save, refreshing the page will not load with the updated change in my .css file. I think the .css file is still cached.
...
How to measure time taken between lines of code in python?
...f you want to measure CPU time, can use time.process_time() for Python 3.3 and above:
import time
start = time.process_time()
# your code here
print(time.process_time() - start)
First call turns the timer on, and second call tells you how many seconds have elapsed.
There is also a function t...
Clear Application's Data Programmatically
...ationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); // note: it has a return value!
} else {
// ...
How can I inject a property value into a Spring Bean which was configured using annotations?
... </property>
</bean>
When retrieved, this bean can be cast to a java.util.Properties which will contain a property named results.max whose value is read from app.properties. Again, this bean can be dependency injected (as an instance of java.util.Properties) into any class via t...
Why isn't the size of an array parameter the same as within main?
...eturns an object of type size_t, so you should print it with %zu (C99), or cast it to int if you use %d like above in your printf calls.
– Alok Singhal
Dec 29 '09 at 15:41
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