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How do I concatenate two lists in Python?
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You can use the + operator to combine them:
listone = [1,2,3]
listtwo = [4,5,6]
joinedlist = listone + listtwo
Output:
>>> joinedlist
[1,2,3,4,5,6]
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Get key by value in dictionary
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There is none. dict is not intended to be used this way.
dictionary = {'george': 16, 'amber': 19}
search_age = input("Provide age")
for name, age in dictionary.items(): # for name, age in dictionary.iteritems(): (for Python 2.x)
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“Server” vs “Data Source” in connection string
...g as there aren't conflicting usages, you may as well allow as many common ones as exist in older standards, to ease porting code.
– Damien_The_Unbeliever
Oct 19 '18 at 11:26
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Physical vs. logical / soft delete of database record?
... have unique indexes on the table, deleted records will still take up the "one" record, so you have to code around that possibility too (for example, a User table that has a unique index on username; A deleted record would still block the deleted users username for new records. Working around this ...
PHP Multidimensional Array Searching (Find key by specific value)
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Explanation
The function array_search() has two arguments. The first one is the value that you want to search. The second is where the function should search. The function array_column() gets the values of the elements which key is 'uid'.
Summary
So you could use it as:
array_search('brevi...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
I have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the ...
C/C++ with GCC: Statically add resource files to executable/library
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One downside to this approach is that some compilers can't handle such enormous static arrays, if your images are particularly big; the way to get around that is, as ndim suggests, to use objcopy to convert the binary data di...
What is the fastest way to compare two sets in Java?
...to do in the comparison logic... ie what happens if you find an element in one set not in the other? Your method has a void return type so I assume you'll do the necessary work in this method.
More fine-grained control if you need it:
if (!firstSet.containsAll(secondSet)) {
// do something if ne...
Add a common Legend for combined ggplots
...legend(p1)
p3 <- grid.arrange(arrangeGrob(p1 + theme(legend.position="none"),
p2 + theme(legend.position="none"),
nrow=1),
mylegend, nrow=2,heights=c(10, 1))
Here is the resulting plot:
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Creating a favicon [closed]
...nerator, that creates all these files and the correct HTML header for each one of them: faviconit.com
Hope you enjoy it.
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