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How to get a list of repositories apt-get is checking? [closed]
...ture this output and convert it to the answer to the question, i.e. each time we do apt update, how do we filter that output/text to extract the information relevant to this question?
– dardisco
May 7 '19 at 5:47
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How JavaScript closures are garbage collected
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But, once the setTimeout() callback runs, that function scope of the setTimeout() callback is done and that whole scope should be garbage collected, releasing its reference to some. There is no longer any code that can run that can reach the...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
...tible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bundle install
You should be good to go
s...
Are arrays passed by value or passed by reference in Java? [duplicate]
...ession is passed to the calling method (!!) which can evaluate it multiple times (!!!). This was complicated to implement, and could be used (abused) to write code that was very difficult to understand. Call-by-name was only ever used in Algol-60 (thankfully!).
UPDATE
Actually, Algol-60's call-...
ADO方式读取EXCEL数据存在致命BUG!!!!! - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到VBA窗口，执行后会依次显示每个工作表表的名称：
Sub x()
Dim ExcelDB As New ADODB.Connection
Dim RS As ADODB.Recordset
Dim S As String
Set ExcelDB = New ADODB.Connection
Set RS = New Recordset
If Application.Version < 12 Then ExcelDB.Open "Provider=Micros...
How to fix corrupted git repository?
..._base} before continuing"
if ! wget -p "${url_base}" -O /dev/null -q --dns-timeout=5 --connect-timeout=5 ;
then
echo "Unable to reach ${url_base}: Aborting before any damage is done" >&2
exit 4
fi
echo
echo "This operation will replace the local repo with the remote at:"
echo "${url}...
How do I display a text file content in CMD?
... like this answer because it's not interactive. more shows N screens at a time that you have to click through
– user2023861
Dec 6 '17 at 16:54
add a comment
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How to read last commit comment?
Often during a commit ( $ git -commit -m "" ), I wish to read my last comment to remember what progress I have made. Is there an easy way to directly access the last commit message through command-line? (I'm using Windows.)
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Get the full URL in PHP
I use this code to get the full URL:
28 Answers
28
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The way to check a HDFS directory's size?
I know du -sh in common Linux filesystems. But how to do that with HDFS?
10 Answers
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