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TransactionScope automatically escalating to MSDTC on some machines?
... transaction, even if both connections
were using identical connection
strings. In this case, a distributed
transaction adds unnecessary overhead
that decreases performance.
Starting with SQL Server 2008 and
version 3.5 of the .NET Framework,
local transactions are no longer
promo...
PostgreSQL - how to quickly drop a user with existing privileges
...catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE pg_catalog.array_to_string(c.relacl, E'\n') LIKE '%username%';
I'm not sure which privilege types correspond to revoking on TABLES, SEQUENCES, or FUNCTIONS, but I think all of them fall under one of the three.
...
Find an element in DOM based on an attribute value
...seems that value can not be a number or SyntaxError: An invalid or illegal string was specified
– jeum
Apr 21 '15 at 15:16
...
Correct format specifier for double in printf
... specifier (among others).
Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointe...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...mentation has to say:
By default the heap dump is created in
a file called java_pid.hprof in the
working directory of the VM, as in the
example above. You can specify an
alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
...
How to create an array for JSON using PHP?
...ponse I get using var_dumb function is the following. How can I get rid of string(59)? string(59) "[{"result":"success"},{"message":"Data updated!"}]"
– James Smith
Sep 9 '17 at 23:46
...
Upgrade python packages from requirements.txt using pip command
...
I just used this, and this is the best thing since f-strings.
– Pierre.Sassoulas
Jan 9 '19 at 20:33
1
...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...include <msgpack.hpp>
class myclass {
private:
std::string str;
std::vector<int> vec;
public:
// This macro enables this class to be serialized/deserialized
MSGPACK_DEFINE(str, vec);
};
int main(void) {
// serialize
my...
Paging in a Rest Collection
...paged"
...
You'd have one Link header for each page of results (an empty string means the current URL, and the URL is the same for each page, just accessed with different ranges), and the relationship is defined as a custom one per the upcoming Link spec. This relationship would explain your cust...
Build vs new in Rails 3
...ng a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it.
The only difference between some_firm.clients.new and some_f...