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What does $@ mean in a shell script?
... join all arguments by single spaces as well and
# will then split the string as the shell does on the command
# line, thus it will split an argument containing spaces into
# several arguments.
Example: Calling
wrapper "one two three" four five "six seven"
will result in:
"$@": ...
Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
14
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How to customize ?
...o" />
The CSS for the form control will make it appear invisible and not take up space in the document layout, but will still exist so it can be activated via the label.
If you want to display the user’s chosen path after selection, you can listen for the change event with JavaScript an...
How to search and replace text in a file?
...('file.txt', 'r') as file :
filedata = file.read()
# Replace the target string
filedata = filedata.replace('ram', 'abcd')
# Write the file out again
with open('file.txt', 'w') as file:
file.write(filedata)
Unless you've got a massive file to work with which is too big to load into memory in ...
What does $$ mean in the shell?
...me for a variety of reasons.
For temporary file names, use the mktemp command.
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How do I get NuGet to install/update all the packages in the packages.config?
...install/update all the packages needed? Does this need to be done via command line for each project?
17 Answers
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Pretty-print an entire Pandas Series / DataFrame
...
No need to hack settings. There is a simple way:
print(df.to_string())
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How to port data-only volumes from one host to another?
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@Datz it's just a command called to create the data container it could be any command which actually does nothing. The container starts and immediately exits but it is used to persist data.
– tommasop
Jan 26 ...
Update one MySQL table with values from another
...ue = original.value)
SET tobeupdated.id = original.id
That should do it, and really its doing exactly what yours is. However, I prefer 'JOIN' syntax for joins rather than multiple 'WHERE' conditions, I think its easier to read
As for running slow, how large are the tables? You should have indexes...
What is Python used for? [closed]
... the integer 5. Later, a = "hello" makes the variable name a to refer to a string containing "hello". Static typed languages would have you declare int a and then a = 5, but assigning a = "hello" would have been a compile time error. On one hand, this makes everything more unpredictable (you don't k...