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How do I parse a string to a float or int?
...
Python method to check if a string is a float:
def is_float(value):
try:
float(value)
return True
except:
return False
A longer and more accurate name for this function could be: is_convertible_to_float(value)
What is, and is not a float in Python may surpris...
Why is Spring's ApplicationContext.getBean considered bad?
...ou may need to control program flow when you need to create tasks (threads etc) during initialization or need modifiable resources that Spring didn't know about when the content was bound to your WAR.
Spring is very good for transaction management and has some advantages. It is just that IoC can b...
Why isn't there a Guid.IsNullOrEmpty() method
... to know whether you are working with Guid? or Guid (nice for re-factoring etc.).
/// <summary>
/// Determines if Guid is Guid.Empty
/// </summary>
public static bool IsNullOrEmpty(this Guid guid)
{
return (guid == Guid.Empty);
}
Now you could use someGuid.IsNullOrEmpty(); in all ca...
Usages of Null / Nothing / Unit in Scala
...wered Apr 23 '13 at 16:40
pagoda_5bpagoda_5b
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...
EOFError: end of file reached issue with Net::HTTP
...ttp = @http.start
url = 'http://domain.com/requested_url?blah=blah&etc=1'
req = Net::HTTP::Get.new(URI.encode(url))
req.basic_auth USERNAME, API_KEY
res = @http.request(req)
Note that I use @http.start as I want to maintain the HTTP session over multiple requests. Other than that, you mig...
Converting bool to text in C++
...or "no" rather than "true or "false", and sometimes "success" vs "failure" etc. 2. Sometimes you want lower case, sometime upper case, sometime title case.
– einpoklum
Jan 24 '16 at 12:47
...
What is the difference between 'typedef' and 'using' in C++11?
...
All standard references below refers to N4659: March 2017 post-Kona working draft/C++17 DIS.
Typedef declarations can, whereas alias declarations cannot, be used as initialization statements
But, with the first two non-temp...
How does the keyword “use” work in PHP and can I import classes with it?
...ou want to access those class objects then you can do the following:
$smtp_mailer = new SMTPMailer;
$mailgun_mailer = new MailgunMailer;
It will reference the original class.
Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
Struggling with NSNumberFormatter in Swift for currency
...string(from: price) // "$123.44"
formatter.locale = Locale(identifier: "es_CL")
formatter.string(from: price) // $123"
formatter.locale = Locale(identifier: "es_ES")
formatter.string(from: price) // "123,44 €"
Here's the old example on how to use it on Swift 2.
let price = 123.436
let form...
SQL Server NOLOCK and joins
...as such it applies to the rowset to which is being added (table, view, TVF etc). If you have multiple rowsets joined in a query, each one would need its own NOLOCK hint.
– Remus Rusanu
Sep 24 '10 at 17:08
...