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“is” operator behaves unexpectedly with integers
...>> a == 1000 # Test integers like this,
True
>>> a != 5000 # or this!
True
>>> a is 1000 # Don't do this! - Don't use `is` to test integers!!
False
Explanation
To know this, you need to know the following.
First, what does is do? It is a comparison opera...
How to generate .NET 4.0 classes from xsd?
...
I use XSD in a batch script to generate .xsd file and classes from XML directly :
set XmlFilename=Your__Xml__Here
set WorkingFolder=Your__Xml__Path_Here
set XmlExtension=.xml
set XsdExtension=.xsd
set XSD="C:\Program Files (x86)\Micros...
Stock ticker symbol lookup API [closed]
...le while it rate limits you and you have to enter a CAPTCHA. I'm trying to batch-lookup about 2000 ticker symbols. Any ideas?
...
Sending emails in Node.js? [closed]
... to pass the attachments from an html form to the mailer. It also supports queueing..
All in all, no idea why nodejitsu ppl chose nodemailer to base their version on, emailjs is just much more advanced.
share
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How do I read configuration settings from Symfony2 config.yml?
...s for arrays instead of scalar values! Imagine that you configure a rabbit queue and need host, user and password:
my_nice_project:
amqp:
host: 192.168.33.55
user: guest
password: guest
Of course you need to change your Tree, but then you can do:
$sillyServiceDefintio...
How to drop a PostgreSQL database if there are active connections to it?
I need to write a script that will drop a PostgreSQL database. There may be a lot of connections to it, but the script should ignore that.
...
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
... to reuse existing elements when possible and avoid unnecessary events, or batching them into one, when possible.
The ReplaceRange method replaces/removes/adds the required elements by the appropriate indices and batches the possible events.
Tested on Xamarin.Forms UI with great results for very fr...
C++ equivalent of StringBuffer/StringBuilder?
... a scratch area for concatenating short strings. It optimise's appends by batching the short append operations in one small string then appending this to the main string, thus reducing the number of reallocations required on the main string as it gets larger.
I have not required this trick with st...
How to add spacing between UITableViewCell
...bleViewCell {
let cell:UITableViewCell = self.tableView.dequeueReusableCell(withIdentifier: cellReuseIdentifier) as UITableViewCell!
// note that indexPath.section is used rather than indexPath.row
cell.textLabel?.text = self.animals[indexPath.section]
...
How can you profile a Python script?
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python -m cProfile myscript.py
To make it even easier, I made a little batch file called 'profile.bat':
python -m cProfile %1
So all I have to do is run:
profile euler048.py
And I get this:
1007 function calls in 0.061 CPU seconds
Ordered by: standard name
ncalls tottime percall cumti...