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What are the performance characteristics of sqlite with very large database files? [closed]
...a single table, or multiple tables. Each table had about 8 columns, almost all integers, and 4 indices.
The idea was to insert enough data until sqlite files were about 50GB.
Single Table
I tried to insert multiple rows into a sqlite file with just one table. When the file was about 7GB (sorry I ...
Catch multiple exceptions at once?
...ore lines, try to imagine if you are dealing with file IO for example, and all you want to do is catch those exceptions and do some log messaging, but only those you expect coming from your file IO methods. Then you often have to deal with a larger number (about 5 or more) different types of excepti...
Acronyms in CamelCase [closed]
...n you use an abbreviation or acronym that is two characters long, put them all in caps;
When the acronym is longer than two chars, use a capital for the first character.
So, in your specific case, getUnescoProperties() is correct.
...
Is git-svn dcommit after merging in git dangerous?
...
Actually, I found an even better way with the --no-ff option on git merge.
All this squash technic I used before is no longer required.
My new workflow is now as follows:
I have a "master" branch that is the only branch that...
Remove characters from NSString?
...f the 'spaces' are well behaved ASCII value=32 (%20) characters. To remove ALL possible white-space chars use Jim Dovey's solution below.
– Linasses
Apr 28 at 11:23
add a comm...
Clear back stack using fragments
...tBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used something like:
((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE)
Which will pop all states up to the named one. You can then j...
Git add and commit in one command
...
is an easy way to tell git to delete files you have deleted, but I generally don't recommend such catch-all workflows. Git commits should in best practice be fairly atomic and only affect a few files.
git add .
git commit -m "message"
is an easy way to add all files new or modified. Also, the ...
Can I catch multiple Java exceptions in the same catch clause?
...tch (IOException | SQLException ex) {
...
}
Remember, though, that if all the exceptions belong to the same class hierarchy, you can simply catch that base exception type.
Also note that you cannot catch both ExceptionA and ExceptionB in the same block if ExceptionB is inherited, either direct...
What is the difference between `git fetch origin` and `git remote update origin`?
...ports grouped remotes (remotes.<group> = <list>), and updating all remotes (except those with remote.<name>.skipDefaultUpdate set), but not any of the more specific options of fetch. Under the hood, though, it does the exact same thing as fetch with the default options.
The answe...
Why is String immutable in Java?
...le for several reasons, here is a summary:
Security: parameters are typically represented as String in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.
Synchronization and concurrency: making String immutable aut...