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PHP best way to MD5 multi-dimensional array?
...t if you're updating with tiny fragments; it's good for big chunks of huge files though.
– wrygiel
Sep 15 '12 at 18:41
...
Accessing an SQLite Database in Swift
...9 or later, you can simply do:
import SQLite3
Create/open database.
let fileURL = try! FileManager.default
.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
.appendingPathComponent("test.sqlite")
// open database
var db: OpaquePointer?
guard...
NSObject +load and +initialize - What do they do?
...ss's address space. For classes that are part of the program's executable file, the runtime sends the load message very early in the process's lifetime. For classes that are in a shared (dynamically-loaded) library, the runtime sends the load message just after the shared library is loaded into th...
C state-machine design [closed]
...ritten have been singleton types (one-off, at-process-start, configuration file reading for example), not needing to run more than one instance. But it has value if you need to run more than one.
share
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Why not abstract fields?
...amp; popular, we would specify implementation classes in properties or XML files, then use Class.forName() to load them.
– Drew Wills
Feb 7 '10 at 4:33
...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...# Take the new schema name from the second cmd arguments (the first is the filename)
newSchema = sys.argv[1]
# Temperary folder for the dumps
dumpFile = '/test/dumps/' + str(newSchema) + '.sql'
# Settings
db_name = 'db_name'
db_user = 'db_user'
db_pass = 'db_pass'
schema_as_template = 'schema_name...
When is it appropriate to use UDP instead of TCP? [closed]
...hroughput to fluctuate. You can see this clearly when you download a large file.
Because UDP is not using congestion control it can be both faster and experience less delay because it will not seek to maximize the buffers up to the dropping point, i.e. UDP packets are spending less time in buffers ...
When to add what indexes in a table in Rails
...rder.
The goal with indexes is to eliminate the dreaded "table scan" or "file sort" operations that occur when your data is not indexed properly.
In simple terms, look at the queries being generated by your application and ensure that columns referenced in WHERE or HAVING conditions and ORDER BY ...
Hg: How to do a rebase like git's rebase
...ding use of TortoiseHG to commit some but not all changes in an individual file, like git gui's stage/unstage diff hunk for commit).
The process is to get hg updated to the upstream tip, and then get all your changes uncommitted in the working directory. Shelve any that aren't part of what you wan...
Configuring Log4j Loggers Programmatically
...ny Logger (here is root)
Logger.getRootLogger().addAppender(console);
FileAppender fa = new FileAppender();
fa.setName("FileLogger");
fa.setFile("mylog.log");
fa.setLayout(new PatternLayout("%d %-5p [%c{1}] %m%n"));
fa.setThreshold(Level.DEBUG);
fa.setAppend(true);
fa.activateOption...