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Find object in list that has attribute equal to some value (that meets any condition)
...ext((x for x in test_list if x.value == value), None)
This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.
However,
for x in test_list:
if x.value == value:
print("i found it!")
break
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How can a LEFT OUTER JOIN return more records than exist in the left table?
...asic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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Most Pythonic way to provide global configuration variables in config.py? [closed]
...plified basicconfig.py adequate for my needs. You can pass in a namespace with other objects for it to reference if you need to. You can also pass in additional defaults from your code. It also maps attribute and mapping style syntax to the same configuration object.
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How can I strip all punctuation from a string in JavaScript using regex?
If I have a string with any type of non-alphanumeric character in it:
13 Answers
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Select count(*) from multiple tables
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edited Mar 5 '09 at 9:52
answered Mar 3 '09 at 12:39
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Can't find the PostgreSQL client library (libpq)
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edited Nov 23 '12 at 5:38
Marc-André Lafortune
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No module named _sqlite3
... run a Django app on my VPS running Debian 5. When I run a demo app, it comes back with this error:
21 Answers
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How to convert a scala.List to a java.util.List?
... necessary if the type expected is a Java List, as the conversion is implicit, as demonstrated by the last line.
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SEH stack 结构探索(1)--- 从 SEH 链的最底层(线程第1个SEH结构)说起 -...
...是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart() 里。
0:000:x86> uf ntdll32!_RtlU...
Qt: can't find -lGL error
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edited Jul 30 '18 at 14:05
Rando Hinn
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