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How do I force make/GCC to show me the commands?
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To invoke a dry run:
make -n
This will show what make is attempting to do.
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How do I remove files saying “old mode 100755 new mode 100644” from unstaged changes in Git?
...=rw-r--r--) - the old mode included the +x (executable) flag, the new mode doesn't.
This msysgit issue's replies suggests setting core.filemode to false in order to get rid of the issue:
git config core.filemode false
sha...
How do I get the full path of the current file's directory?
...ng a python script that is in a file.
References
pathlib in the python documentation.
os.path 2.7, os.path 3.8
os.getcwd 2.7, os.getcwd 3.8
what does the __file__ variable mean/do?
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How do I push amended commit to the remote Git repository?
...ut then I noticed I forgot to organize my imports in the source code. So I do the amend command to replace the previous commit:
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...bSockets will probably scale better than AJAX/HTML requests. However, that doesn't mean WebSockets is a replacement for all uses of AJAX/HTML.
Each TCP connection in itself consumes very little in terms server resources. Often setting up the connection can be expensive but maintaining an idle conne...
Why should casting be avoided? [closed]
...I'll start with C. C casts have a number of problems. One is that they can do any of a number of different things. In some cases, the cast does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- i.e., it ensures that even when you do a conversion that could cause p...
Why are empty strings returned in split() results?
...cover that curly quotes are actually valid in Python...but, but...how? The docs don't seem to mention this.
– Tim Pietzcker
Oct 8 '12 at 11:18
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How do I replace a git submodule with another repo?
How do I replace a git submodule with a different git repo?
6 Answers
6
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How do I get the size of a java.sql.ResultSet?
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Do a SELECT COUNT(*) FROM ... query instead.
OR
int size =0;
if (rs != null)
{
rs.last(); // moves cursor to the last row
size = rs.getRow(); // get row id
}
In either of the case, you won't have to loop over the...
“Inspect” a hover element?
...he hover effect when the mouse leave the hover area:
Open the inspector in docked window and increase the width until reach your HTML element, then right click and the popup menu must be over the inspector zone... then when you move the mouse over the inspector view, the hover effect keep activated ...