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Haskell function composition (.) and function application ($) idioms: correct use
I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators.
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In log4j, does checking isDebugEnabled before logging improve performance?
...n. Therefore you're just adding bloat to your code and making it harder to read.
I personally use the Java 1.5 format calls in the String class like this:
Var myVar = new MyVar();
log.debug(String.format("My var is '%s', value: '%s'", myVar, myVar.someCall()));
I doubt there's much optimisation ...
Android Game Keeps Getting Hacked [closed]
...without paying. Less will want to hack the first level and the game will spread even further by Freemium model.
Shareware/clustered levelpacks
2) Let part of the game levels or logic stay online. Eg. when reaching for level 5 or 10 or 15, then download small parts for the game, and every time subm...
Too many 'if' statements?
...
@JoeHarper If you want something easy to read, you won't be using magic numbers in the first place and you'll have a comment explaining the mapping. As it is, I prefer this version to the original, but for something maintainable in the long term I'd use an approach ...
Changing MongoDB data store directory
...path parameter in MongoDB will allow you to control what directory MongoDB reads and writes it's data from.
mongod --dbpath /usr/local/mongodb-data
Would start mongodb and put the files in /usr/local/mongodb-data.
Depending on your distribution and MongoDB installation, you can also configur...
How can I get a resource “Folder” from inside my jar File?
...er, loop on the Files inside that Folder and get a Stream to each file and read in the content... Assume that the File names are not determined before runtime... What should I do? Is there a way to get a list of the files inside a Folder in your jar File?
Notice that the Jar file with the resources...
Good scalaz introduction [closed]
...from haskell and mathematics. Most articles that I found assume that you already feel comfortable with these concepts.
8 An...
How to open every file in a folder?
...wd()):
with open(os.path.join(os.cwd(), filename), 'r') as f: # open in readonly mode
# do your stuff
Glob
Or you can list only some files, depending on the file pattern using the glob module:
import glob
for filename in glob.glob('*.txt'):
with open(os.path.join(os.cwd(), filename),...
SQL: How to properly check if a record exists
While reading some SQL Tuning-related documentation, I found this:
9 Answers
9
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
...getSharedPreferences(
"com.example.app", Context.MODE_PRIVATE);
To read preferences:
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
To edit and save preferences
Date dt = getSomeDate();...