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Why is '397' used for ReSharper GetHashCode override?
...use ReSharper to speed up the development process. When you use it to override the equality members of a class, the code-gen it produces for GetHashCode() looks like:
...
How do I get the size of a java.sql.ResultSet?
...ast(); // 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 entire data.
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How to access a dictionary element in a Django template?
...very efficient. It is doing sql queries in a loop (something you should avoid). Creating your own tag to do dict lookups is easy: @register.filter def lookup(d, key): if d and isinstance(d, dict): return d.get(key)
– dalore
Oct 30 '12 at 14:10
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Disable a method in a ViewSet, django-rest-framework
... the mixins you need you can disable GET, POST, PUT, DELETE Methods but I did not able to find out how to disable the PATCH method specially if you are using routers.
– Muneeb Ahmad
Mar 31 '15 at 14:56
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How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
...elements.html says it supports XPath or CSS selectors, but when I tried, didn't seem to work for me.
3 Answers
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Git: Pull from other remote
... var channelOptions = {
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id: "1"
};
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// Have to fire editor after snippets, if snippets enabled...
Getting list of lists into pandas DataFrame
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
[] and {} vs list() and dict(), which is better?
...
list() and [] work differently:
>>> def a(p):
... print(id(p))
...
>>> for r in range(3):
... a([])
...
139969725291904
139969725291904
139969725291904
>>> for r in range(3):
... a(list())
...
139969725367296
139969725367552
139969725367616
list() alw...
How to cherry pick only changes for only one file, not the whole commit
...s that happened in a single commit, but just take the resulting state of said file. So if you added a line in a commit, but previous commits changed more, and you only want to add that line without those other changes, then a checkout is not what you want.
Otherwise if you want to apply the patch i...
How to trigger a build only if changes happen on particular set of files
...T_REVISION=`git rev-parse HEAD`
export STATUSFILE=$WORKSPACE/status_$BUILD_ID.txt
# Figure out, whether "src" has changed in the last commit
git diff-tree --name-only HEAD | grep src
# Exit with success if it didn't
$? || exit 0
# Trigger second job
$JENKINS_CLI build job2 -p GIT_REVISION=$GIT_RE...
