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Android Studio - debug keystore
...ep 2 with the following information:
keystore=C:\\path\\to\\keystore\\yourapps.keystore
keystore.password=your_secret_password
4) Modify your gradle.build file to point to yourprojectname.properties file to use the variables.
if(project.hasProperty("yourprojectname.properties")
&&...
get list from pandas dataframe column
...hon list. Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:\n{df}\n")
print(f"column types:\n{df.dtyp...
Performance of Arrays vs. Lists
...the getter of the indexer of the List class, looks like this:
public T get_Item(int index)
{
if (index >= this._size)
{
ThrowHelper.ThrowArgumentOutOfRangeException();
}
return this._items[index];
}
As you can see, when you use the indexer of the List, the List performs...
How to get the file name from a full path using JavaScript?
...
Per the meta discussion, please add appropriate citation to other answers. It would also be helpful to better explain how you analyzed the runtime.
– jpmc26
Feb 15 '16 at 21:42
...
What size should apple-touch-icon.png be for iPad and iPhone?
Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone?
11 Answ...
Swift - Split string over multiple lines
...ed compile-time optimization, even at -Onone. ," adcdownload.apple.com/WWDC_2015/Xcode_7_beta/…
– Kostiantyn Koval
Jul 31 '15 at 18:19
2
...
How to scroll to top of long ScrollView layout?
For part of my app, the user is presented with a list of names and is asked to group them as they see fit.
15 Answers
...
What is a good Hash Function?
...which is equal parts computer science genius and pure voodoo:
unsigned fnv_hash_1a_32 ( void *key, int len ) {
unsigned char *p = key;
unsigned h = 0x811c9dc5;
int i;
for ( i = 0; i < len; i++ )
h = ( h ^ p[i] ) * 0x01000193;
return h;
}
unsigned long long fnv_hash_1a...
What is the strict aliasing rule?
...sg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send a message to so...
Changing every value in a hash in Ruby
...ring objects):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |_,str| str.gsub! /^|$/, '%' }
my_hash.each{ |_,str| str.replace "%#{str}%" }
If you want the hash to change in place, but you don't want to affect the strings (you want it to get new strings):
# Two ways to ac...