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What's the difference between git reflog and log?
...y local.
Aside: understanding the reflog means you can't really lose data from your repo once it's been committed. If you accidentally reset to an older commit, or rebase wrongly, or any other operation that visually "removes" commits, you can use the reflog to see where you were before and git res...
Using awk to print all columns from the nth to the last
...
You can also use "-b" to specify the position (from the Nth character onwards).
– Dakatine
Sep 10 '13 at 13:56
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
... of row)
Inserting indexes: (1 × number of indexes)
Closing: (1)
From this it should be obvious, that sending one large statement will save you an overhead of 7 per insert statement, which in further reading the text also says:
If you are inserting many rows from the same client at the...
SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
..., 3) I run gem install susy and get the same error Unable to download data from https://rubygems.org/ - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
– Green
Dec 25 '14 at 12:17
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
...tten assuming that age, once set, does not change, then a bug could result from code calling that mutator.
But what is happening behind the scenes?
If you write:
attr_writer :age
That gets translated into:
def age=(value)
@age = value
end
If you write:
attr_reader :age
That gets transla...
How can I pass arguments to a batch file?
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I think shift "pops" the argument from the list. The assumption by OP was that %* would only output the remaining arguments, but it doesn't work that way, as @Joey said.
– NathanAldenSr
Jun 8 '16 at 13:00
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HTML-encoding lost when attribute read from input field
I’m using JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
...
Which is faster in Python: x**.5 or math.sqrt(x)?
..., yet
Here's some timings (Python 2.5.2, Windows):
$ python -mtimeit -s"from math import sqrt; x = 123" "x**.5"
1000000 loops, best of 3: 0.445 usec per loop
$ python -mtimeit -s"from math import sqrt; x = 123" "sqrt(x)"
1000000 loops, best of 3: 0.574 usec per loop
$ python -mtimeit -s"import ...
HTTP headers in Websockets client API
...mes extended to be used in websocket specific authentication) is generated from the optional second argument to the WebSocket constructor:
var ws = new WebSocket("ws://example.com/path", "protocol");
var ws = new WebSocket("ws://example.com/path", ["protocol1", "protocol2"]);
The above results in...
git stash blunder: git stash pop and ended up with merge conflicts
...d a git stash pop and ended up with merge conflicts. I removed the files from the file system and did a git checkout as shown below, but it thinks the files are still unmerged. I then tried replacing the files and doing a git checkout again and same result. I event tried forcing it with -f f...