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Default implementation for Object.GetHashCode()
...already been added into a dictionary, reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why string overrides GetHashCode. On the other hand, suppose you want to kee...
How to display pandas DataFrame of floats using a format string for columns?
... think you'll have to pre-modify the dataframe (converting those floats to strings):
import pandas as pd
df = pd.DataFrame([123.4567, 234.5678, 345.6789, 456.7890],
index=['foo','bar','baz','quux'],
columns=['cost'])
df['foo'] = df['cost']
df['cost'] = df['cost']...
Using reCAPTCHA on localhost
...ateAntiForgeryToken]
public ActionResult Register(RegisterViewModel model, string reCaptcha_SecretKey){
// Your codes in POST action
if (!ModelState.IsValid || !ReCaptcha.Validate(reCaptcha_SecretKey))
{
// Your codes
}
// Your codes
}
In View: (reference)
@ReCaptcha.GetHtml...
How to split text without spaces into list of words?
...s(s):
"""Uses dynamic programming to infer the location of spaces in a string
without spaces."""
# Find the best match for the i first characters, assuming cost has
# been built for the i-1 first characters.
# Returns a pair (match_cost, match_length).
def best_match(i):
...
Can an int be null in Java?
...
A great way to find out:
public static void main(String args[]) {
int i = null;
}
Try to compile.
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Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
25
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How to handle Handler messages when activity/fragment is paused
... 1;
final static class State extends Fragment {
static final String TAG = "State";
/**
* Handler for this activity
*/
public ConcreteTestHandler handler = new ConcreteTestHandler();
@Override
public void onCreate(Bundle savedInstanceSt...
Get value of c# dynamic property via string
I'd like to access the value of a dynamic c# property with a string:
11 Answers
11
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“register” keyword in C?
...at the variable does not alias with
anything else in the program (not even char's).
That can be exploited by modern compilers in a variety of situations, and can help the compiler quite a bit in complex code - in simple code the compilers can figure this out on their own.
Otherwise, it serves no p...
Looking for jQuery find(..) method that includes the current node
...
@ronen An extra file for something which can be done in one line? Thanks, but no thanks.
– user659025
Nov 18 '15 at 14:58
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