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Proper way to renew distribution certificate for iOS
...nce it expires, it simply disappears from the ‘Certificates, Identifier & Profiles’ section of Member Center. If you want to renew it before it expires, revoke the current certificate and you will get a button to request a new one.
Regarding the provisioning profile, don't worry about it be...
How to throw a C++ exception
...ference:
try {
compare( -1, 3 );
}
catch( const std::invalid_argument& e ) {
// do stuff with exception...
}
You can have multiple catch() statements after each try, so you can handle different exception types separately if you want.
You can also re-throw exceptions:
catch( const...
Difference between “and” and && in Ruby?
What is the difference between the && and and operators in Ruby?
7 Answers
...
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
...
What's the difference between “squash” and “fixup” in Git/Git Extension?
I've been using Git Extensions for a while now (it's awesome!) but I haven't found a simple answer to the following:
6 An...
Sorting a vector of custom objects
...
A simple example using std::sort
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
};
struct less_than_key
{
inline bool operator() (const MyStru...
Frequency table for a single variable
...ation would be to use numpy.unique with return_counts = True
Here is an example:
import pandas as pd
import numpy as np
my_series = pd.Series([1,2,2,3,3,3])
print(my_series.value_counts())
3 3
2 2
1 1
dtype: int64
Notice here that the item returned is a pandas.Series
In comparison, n...
How to use git merge --squash?
...e branch into master with a custom commit:
git merge --squash newFeature && git commit -m 'Your custom commit message';
If instead, you do
git merge --squash newFeature && git commit
you will get a commit message that will include all the newFeature branch commits, which you can...
Sprintf equivalent in Java
...tead calling a format method and passing in an input string.
Here is an example of why format() would be dumb as an instance method. In .NET (and probably in Java), Replace() is an instance method.
You can do this:
"I Like Wine".Replace("Wine","Beer");
However, nothing happens, because strings...
When should you branch?
... to create and destroy branches whenever needed. This allows you to, for example, make one branch per bug that you are working on. Once you merge your results into the trunk, you discard the branch.
Other SCMs, for example subversion and CVS, have a much "heavier" branching paradigm. That means, a ...