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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
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If you're interested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB stic...
Django filter queryset __in for *every* item in list
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This annotation solution seems wrong. What if there are three tags possible (lets call the additional one for t3, and a photo has the tags t2 and t3. Then this photo will still match the given query.
– beruic
Apr 30 '18 at 11:53
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jQuery how to find an element based on a data-attribute value?
... 16 '10 at 6:30
Frédéric HamidiFrédéric Hamidi
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Is an index needed for a primary key in SQLite?
...base to optimize
queries. As a result, there often no advantage (but significant
overhead) in creating an index on a set of columns that are already
collectively subject to a UNIQUE or PRIMARY KEY constraint.
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NSDefaultRunLoopMode vs NSRunLoopCommonModes
... main thread) there is an option to start the thread in a run loop or not. If the thread runs some sort or long-running operation without interaction with external events and without timers, you do not need a run loop, but if your thread needs to respond to incoming events, it should be attached to ...
Split list into smaller lists (split in half)
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A = [1,2,3,4,5,6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
...n the basename wildcard character *, which is considered equivalent to specifying a list of all the files in the directory with the extension .jar or .JAR. For example, the class path entry foo/* specifies all JAR files in the directory named foo. A classpath entry consisting simply of * expands to ...
How to do an INNER JOIN on multiple columns
...e airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
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WCF service startup error “This collection already contains an address with scheme http”
...Environment>
</system.serviceModel>
Then, you won't have to specify each address.
http://msdn.microsoft.com/en-us/library/system.servicemodel.servicehostingenvironment.multiplesitebindingsenabled.aspx
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Get Selected index of UITableView
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If you allow multiple selections, consider using: - (NSArray *)indexPathsForSelectedRows
– yura
Feb 19 '15 at 19:12
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