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Single quotes vs. double quotes in C or C++
...iteral is int, that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.
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Filter LogCat to get only the messages from My Application in Android?
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10
I know the question was about eclipse, but I'm in love with command line and always use it for logcat as well. Also use some tools for col...
Finding a substring within a list in Python [duplicate]
...b as seen in other responses. Regexes are a great tool, but I think it's a bit overkill here.
– ThinkChaos
Apr 24 '15 at 15:11
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Unzipping files in Python
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zipfile + pathlib = win. mind if i slightly update your answer?
– Manakin
Jan 21 at 15:38
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How to use a dot “.” to access members of dictionary?
...teDict()
keys.abc.xyz.x = 123
keys.abc.xyz.a.b.c = 234
That elaborates a bit on Kugel's answer of "Derive from dict and and implement __getattr__ and __setattr__". Now you know how!
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Lambda expression vs method reference [closed]
...t is crystal clear what it does. Very often (but not always!) method refs win on this metric, so we included them as an option, to be used in those cases.
A key consideration about whether method refs clarify or obfuscate intent is whether it is obvious from context what is the shape of the func...
How to remove the default link color of the html hyperlink 'a' tag?
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<a style="text-decorations:none; color:inherit;> = winning
– Dan Bradbury
Nov 20 '14 at 1:45
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How to check if the string is empty?
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True
>>> bool(" ".strip())
False
You should probably be a bit more explicit in this however, unless you know for sure that this string has passed some kind of validation and is a string that can be tested this way.
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SparseArray vs HashMap
...ere is an example of SparseIntArray vs HashMap<Integer, Integer> for 1000 elements:
SparseIntArray:
class SparseIntArray {
int[] keys;
int[] values;
int size;
}
Class = 12 + 3 * 4 = 24 bytes
Array = 20 + 1000 * 4 = 4024 bytes
Total = 8,072 bytes
HashMap:
class HashMap<K, V...
How do I delete multiple rows in Entity Framework (without foreach)
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EntityFramework 6 has made this a bit easier with .RemoveRange().
Example:
db.People.RemoveRange(db.People.Where(x => x.State == "CA"));
db.SaveChanges();
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