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Entity Framework and Connection Pooling
...ty Framework’s contexts are meant to be used as short-lived instances in order to provide the most optimal performance experience. Contexts are expected to be short lived and discarded, and as such have been implemented to be very lightweight and reutilize metadata whenever possible. In web scenar...
How to resolve merge conflicts in Git?
...eleted. Another one is when you want to rebase your development branch, in order to ease the eventual final merge into the master.
– Teem
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE #counts
The output will be a list of tables and their row counts.
If you just want the total row count across the whole database, appending:
SELECT SUM(row_count) AS total_ro...
If REST applications are supposed to be stateless, how do you manage sessions?
...ts, the clients store their session state and the servers can service many orders of magnitude or more clients in a stateless fashion.
Even for a service that you think will only need in the 10's of thousands of concurrent users, you still should make your service stateless. Tens of thousands is sti...
Apache shows PHP code instead of executing it
...able php! Check the folder mods-enabled in the Apache directory (default: /etc/apache2/) to see if you find a file named php. I don't remember the extension but I think it's .so.
Also check in /var/log/apache2/error.log to see if you have any other errors.
...
Django filter versus get for single object?
...e queryset, or None if there is no matching object. If the QuerySet has no ordering defined, then the queryset is automatically ordered by the primary key.
Example:
p = Article.objects.order_by('title', 'pub_date').first()
Note that first() is a convenience method, the following code sample is eq...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...ary". When using ["/bin/cat"] as entrypoint and then doing docker run img /etc/passwd, you get it, /etc/passwd is the command and is passed to the entrypoint so the end result execution is simply /bin/cat /etc/passwd.
Another example would be to have any cli as entrypoint. For instance, if you have...
Why doesn't the JVM cache JIT compiled code?
...ed goal is:
Save and reuse compiled native code from previous runs in order to
improve the startup time of large Java applications.
Hope this helps.
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Using getopts to process long and short command line options
...use either the -m 4096 or -m4096 style, mix options and non-options in any order, etc. getopt also outputs an error message if unrecognized or ambiguous options are found.
NOTE: There are actually two totally different versions of getopt, basic getopt and GNU getopt, with different features and di...
Pointers in C: when to use the ampersand and the asterisk?
... stream points to, so changing stream has no effect on the value of in; in order for this to work, we must pass in a pointer to the pointer:
int myFopen(FILE **stream) {*stream = fopen("myFile.dat", "r"); }
...
FILE *in;
myFopen(&in);
Again, arrays throw a bit of a monkey wrench into the work...