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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
In C, the compiler will lay out members of a struct in the order in which they're declared, with possible padding bytes inserted between members, or after the last member, to ensure that each member is aligned properly.
...
Finding what branch a Git commit came from
...ery interesting:
SYNOPSIS
git-what-branch [--allref] [--all] [--topo-order | --date-order ]
[--quiet] [--reference-branch=branchname] [--reference=reference]
<commit-hash/tag>...
OVERVIEW
Tell us (by default) the earliest causal path of commits and merges to cause the requested...
Is it possible to push a git stash to a remote repository?
...ged. Also, piping the result of git rev-list ... through tac reverses the order of the stashes so they come out in the same order.
– Alan Krueger
Dec 4 '12 at 22:35
...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...erally how to select multiple columns from a subquery:
SELECT
A.SalesOrderID,
A.OrderDate,
SQ.Max_Foo,
SQ.Max_Foo2
FROM
A
LEFT OUTER JOIN
(
SELECT
B.SalesOrderID,
MAX(B.Foo) AS Max_Foo,
MAX(B.Foo2) AS Max_Foo2
FROM
B
...
Selecting a row of pandas series/dataframe by integer index
...
@kilojoules .iloc looks things up by their order in the index (e.g. .iloc[[2]]) is the second "row" in df. That row happens to be at index location 4. .loc looks them up by their index value. So maybe "iloc" is like "i" as in A[i]? :)
– Jim K...
What happens when a computer program runs?
...Note that the positions of, e.g., the stack and heap may be in a different order on some systems (see Billy O'Neal's answer below for more details on Win32).
Other systems can be very different. DOS, for instance, ran in real mode, and its memory allocation when running programs looked much diff...
split string only on first instance - java
...erminated by the end of the string. The substrings in the array are in the order in which they occur in this string. If the expression does not match any part of the input then the resulting array has just one element, namely this string.
The limit parameter controls the number of times the pa...
Search All Fields In All Tables For A Specific Value (Oracle)
...
I had to comment the first line in order to be able to run this query. Also I was not able to remove the owner filter and run the query.
– Popa Andrei
Aug 18 '16 at 7:28
...
What command means “do nothing” in a conditional in Bash?
...lternative, in your example case (but not necessarily everywhere) is to re-order your if/else:
if [ "$a" -le 5 ]; then
echo "1"
elif [ "$a" -lt 10 ]; then
echo "2"
fi
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How is the default submit button on an HTML form determined?
...A form element's default button is the
first submit button in
tree order whose form owner is that
form element.
If the user agent supports letting the user submit a form
implicitly (for example, on some platforms hitting the "enter" key
while a text field is focused implicit...