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Can't su to user jenkins after installing Jenkins
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as root, enter su - jenkins
Also, check in /etc/passwd that user jenkins is allowed to logon: there should be something like /bin/bash or /bin/sh, certainly not /bin/false at the end of the line.
Hint: You don't use su and sudo at the same time.
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How to get all subsets of a set? (powerset)
...sets).
def power_set(A):
"""A is an iterable (list, tuple, set, str, etc)
returns a set which is the power set of A."""
length = len(A)
l = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enum...
slashes in url variables
...Wikipedia uses for spaces. Replacing special characters with underscores, etc., is common practice.
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What is the “right” JSON date format?
...nters are only compatible when expressed in a broken down format (y, m, d, etc). They are NEVER compatible in an epoch format. Keep that in mind.
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How to call a Python function from Node.js
...ich function to call, and the other argument gets passed to that function, etc.
Hope this was clear. Let me know if something needs clarification.
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Android RelativeLayout programmatically Set “centerInParent”
...stance animate an image from a relative left offset to a centered position etc.
– Jonny
Nov 5 '12 at 11:40
27
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Do while loop in SQL Server 2008
...R
SELECT Id, Title FROM dbo.SourceTable
OPEN Iterator
WHILE 1=1 BEGIN
FETCH NEXT FROM @InputTable INTO @Id, @Title
IF @@FETCH_STATUS < 0 BREAK
PRINT 'Do something with ' + @Title
END
CLOSE Iterator
DEALLOCATE Iterator
Unfortunately, T-SQL doesn't seem to offer a cleaner way to singl...
PHP Redirect with POST data
...o go to Page B is probably to generate a fingerprint or add an order code, etc. Without these then the 3rd party page C should fail, or at worst, when the result comes back to us from the 3rd party without an order code, we should not accept the order. This is overall a good solution if JS is accept...
AsyncTask Android example
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn = findViewById(R.id.button1);
// Because we implement OnClickListener, we only
// have to pass "this" (much easier)
btn.setOnClickListener(this);
}
@...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...om array literal syntax, queries like contains, masking with intersection, etc. (No more having to remember which funny character to use for which membership test!)
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