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What's a 3D doing in this HTML?
... should use =, not =3D). :-) If your email software needs to use QP, it'll convert automatically.
– Chris Jester-Young
Oct 25 '10 at 15:48
52
...
Undo working copy modifications of one file in Git?
...s, a commit can have more than one previous commit, so with HEAD^ a number selects which of those parents, while with HEAD~ a number always selects the first parent but that number of commits back. See git help rev-parse for more details.
– Brian Campbell
May 1...
Trimming a huge (3.5 GB) csv file to read into R
...
My try with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
...
How do you make a deep copy of an object?
... final or can't be modified, extend the class and implement serializable.
Convert your class to a stream of bytes:
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(object);
oos.flush();
oos.close();
bos.close();
byte[] b...
Switch statement for string matching in JavaScript
...h");
break;
}
Another approach is to use the String() constructor to convert the resulting array that must have only 1 element (no capturing groups) and whole string must be captured with quanitifiers (.*) to a string. In case of a failure the null object will become a "null" string. Not conve...
Laravel Migration Change to Make a Column Nullable
...`user_id` INTEGER UNSIGNED NOT NULL;');
}
One note is that since you are converting between nullable and not nullable, you'll need to make sure you clean up data before/after your migration. So do that in your migration script both ways:
function up()
{
DB::statement('ALTER TABLE `throttle` M...
Eclipse: Java, see where class is used
Is there a way in Eclipse to select a Java class, and then bring up a list of all Java files where that class is used within a project?
...
What is the purpose of “android.intent.category.DEFAULT”?
...ies, then Android will present all candidates to the user and the user can select his preferred default.
Reference:
http://developer.android.com/guide/components/intents-filters.html
Extract from that page:
Android treats all implicit intents passed tostartActivity() as if they contained at ...
Can I unshelve to a different branch in tfs 2008?
...l . You need to manually "migrate" all these files (there is also no multi-select). And then they are added as new files to the workspace. I can't use it, because I can't merge it anymore.
– Stefan Steinegger
May 18 '10 at 12:20
...
ALTER DATABASE failed because a lock could not be placed on database
... for a couple of minutes)
CREATE DATABASE TESTING123
GO
USE TESTING123;
SELECT NEWID() AS X INTO FOO
FROM sys.objects s1,sys.objects s2,sys.objects s3,sys.objects s4 ,sys.objects s5 ,sys.objects s6
Connections 2 and 3
set lock_timeout 5;
ALTER DATABASE TESTING123 SET SINGLE_USER WITH ROLLBACK...