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Default string initialization: NULL or Empty? [closed]
...ccount for other philosophies. There, it's the job of your code to impose order on chaos. Part of that order is knowing when an empty string should mean String.Empty and when it should mean null.
(Just to make sure I wasn't talking out of my ass, I just searched our codebase for `String.IsNullOrE...
how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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How to construct a set out of list items in python?
...on 3,
my_list = [*my_set]
to create a list from a set.
Just note that the order of the elements in a list is generally lost when converting the list to a set since a set is inherently unordered. (One exception in CPython, though, seems to be if the list consists only of non-negative integers, but I...
Where is Maven' settings.xml located on mac os?
...8:00)
Maven home: /usr/local/Cellar/maven/3.5.0/libexec
Java version: 1.8.0_121, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "mac os x", version: "10.11.5", arch: "x86_64", family:...
How to delete all rows from all tables in a SQL Server database?
...have any referential integrity set.
In that case, this will work:
EXEC sp_MSForEachTable 'DISABLE TRIGGER ALL ON ?'
GO
EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'
GO
EXEC sp_MSForEachTable 'DELETE FROM ?'
GO
EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT ALL'
GO
EXEC sp_M...
How do I unload (reload) a Python module?
...lib import reload
import foo
while True:
# Do some things.
if is_changed(foo):
foo = reload(foo)
In Python 3, reload was moved to the imp module. In 3.4, imp was deprecated in favor of importlib, and reload was added to the latter. When targeting 3 or later, either reference the...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...
For me, I added a link with target="_blank" to prompt the user to click.
– hiroshi
Apr 20 '12 at 7:14
1
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Capistrano error tar: This does not look like a tar archive
...ites it out to the standard output" so Capistrano redirects that to tar in order to uncompress the archive immediately into your new release directory.
(Why Capistrano chose this instead of git checkout defeats me.)
tar fails because it's receiving nothing d:
I can think of two possible solutions/...
Break parallel.foreach?
...reason caused the break are processed. What about a Parallel.ForEach where order of the items does not necessarily have to be the order in which they are processed? Is it guaranteed as well that all items in an IEnumerable<...> before the one that invokes state.Break() are being processed and ...
In Python, what is the difference between “.append()” and “+= []”?
...Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs LOAD_ATTR + CALL_FUNCTION.
>>> import dis
>>> dis.dis(compile("s = []; s.append('spam')", '', 'exec'))
1 ...