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How can I echo a newline in a batch file?
... The period thing in "echo." never stops amazing me. It's so dated, and still I always forget that the dot must be strictly concatenated with the command name, with no spaces between. There's no error in the post of yours, I'm writing this just as a reminder: "echo ." != "echo." !
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Delete column from SQLite table
...xample, suppose you have a table named "t1" with columns names
"a", "b", and "c" and that you want to delete column "c" from this
table. The following steps illustrate how this could be done:
BEGIN TRANSACTION;
CREATE TEMPORARY TABLE t1_backup(a,b);
INSERT INTO t1_backup SELECT a,b FROM t1;
DRO...
How do you change the datatype of a column in SQL Server?
...ge a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 Answers
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Why doesn't Java allow generic subclasses of Throwable?
...; e) {
// ignore that
} catch (SomeException<String> e) {
crashAndBurn()
}
Both SomeException<Integer> and SomeException<String> are erased to the same type, there is no way for the JVM to distinguish the exception instances, and therefore no way to tell which catch block s...
How to efficiently build a tree from a flat structure?
I have a bunch of objects in a flat structure. These objects have an ID and a ParentID property so they can be arranged in trees. They are in no particular order.
Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging ...
How do I show an open file in eclipse Package Explorer?
...he Package Explorer view that looks like two yellow arrows pointed at left and right. The tooltip is "Link with Editor". Click that.
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How to empty a Heroku database
...or (because the database was already created using the heroku pg:reset command). But it also loads your database schema and your seeds after the error message.
You can do this with pretty much any rake command, but there are exceptions. For example, db:reset doesn't work via heroku run rake. You ha...
Display two files side by side
...n use pr to do this, using the -m flag to merge the files, one per column, and -t to omit headers, eg.
pr -m -t one.txt two.txt
outputs:
apple The quick brown fox..
pear foo
longer line than the last two bar
last line ...
How to convert an Stream into a byte[] in C#? [duplicate]
...red Jul 3 '09 at 18:43
pedrofernandespedrofernandes
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Set Additional Data to highcharts series
... @undefinedvariable - hmm, looks like others have edited this and set a new version as the "base" version in jsfiddle. That's unfortunate. Updated the fiddle and now linking to a specific version in the answer.
– Nick
Feb 25 '13 at 21:07
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