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How to create a numpy array of all True or all False?
...TE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second parameter, so we can just write:
numpy.full((2, 2), True)
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How to import data from mongodb to pandas?
...aFrame(list(cursor)). Pure db quering is much faster. Could we change list casting to something else?
– Peter.k
Jan 19 '19 at 19:53
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DropDownList in MVC 4 with Razor
... If you defined the List in controller, Then you need in View to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
– Bashar Abu Shamaa
Feb 26 '16 at 19:23
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GDB missing in OS X v10.9 (Mavericks)
I went to use GDB in OS X v10.9 (Mavericks), and it's not there. Where has it gone?
12 Answers
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How many GCC optimization levels are there?
...e even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be the
optimization level of choice for the standard edit-compile-debug cycle, offeri...
OS X Terminal Colors [closed]
...rminal colors.
Edit your .bash_profile (since OS X 10.8) — or (for 10.7 and earlier): .profile or .bashrc or /etc/profile (depending on availability) — in your home directory and add following code:
export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced
CLICOLOR=1 simply enables coloring o...
How can I generate a diff for a single file between two branches in github
... me to do this for all changed files, but that's no good as there are thousands of files in my repo.
5 Answers
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Iterating through directories with Python
I need to iterate through the subdirectories of a given directory and search for files. If I get a file I have to open it and change the content and replace it with my own lines.
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How to check if a table exists in a given schema
... dba.SE discussing "Information schema vs. system catalogs"
Alternative: cast to regclass
SELECT 'schema_name.table_name'::regclass
This raises an exception if the (optionally schema-qualified) table (or other object occupying that name) does not exist.
If you do not schema-qualify the table n...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...@@spid
while (@spid is not null)
begin
print 'Killing process ' + cast(@spid as varchar) + ' ...'
set @sql = 'kill ' + cast(@spid as varchar)
exec (@sql)
select
@spid = min(spid)
from
master..sysprocesses
where
dbid = db_id('<database_n...