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psql: FATAL: Ident authentication failed for user “postgres”
...ltering
out" certain hosts from a group, for example a reject line could block
a specific host from connecting, while a later line allows the
remaining hosts in a specific network to connect.
md5
Require the client to supply a double-MD5-hashed password for
authentication. See Sect...
Parse a URI String into Name-Value Collection
...catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } return value; } });
– phreakhead
Jul 22 '15 at 18:22
...
Saving interactive Matplotlib figures
...mmediately after figx.show(), you should call plt.show() instead, which is blocking.
– maechler
Oct 22 '19 at 5:49
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$apply vs $digest in directive testing
...e, so you need to handle exception yourself. scope.$apply uses a try-catch block internally and passes all exceptions to $exceptionHandler.
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How to wait for a number of threads to complete?
...r(i = 0; i < threads.length; i++)
threads[i].join();
Each join will block until the respective thread has completed. Threads may complete in a different order than you joining them, but that's not a problem: when the loop exits, all threads are completed.
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fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
... your .OBJ files and check for the machine entry in the FILE HEADER VALUES block.
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CSS: Set a background color which is 50% of the width of the window
...olute;
right:0;
top:0;
content:"";
display:block;
height:100%;
background-color:#06F;
z-index:1;
}
fiddle link
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mongodb: insert if not exists
...t be passed as a keyword argument
This replaces your if-find-else-update block entirely. It will insert if the key doesn't exist and will update if it does.
Before:
{"key":"value", "key2":"Ohai."}
After:
{"key":"value", "key2":"value2", "key3":"value3"}
You can also specify what data you w...
NoSQL - MongoDB vs CouchDB [closed]
...ction,
thus, master-master replication. (!)
MVCC - write operations do not block reads
Previous versions of documents are available
Crash-only (reliable) design
Needs compacting from time to time
Views: embedded map/reduce
Formatting views: lists & shows
Server-side document validation possible
...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... instructions inside the inner loop. You'll notice that it's broken into 4 blocks of 12 instructions each. Each of these 12 instructions blocks are completely independent from each other - and take on average 6 cycles to execute.
So there's 12 instructions and 6 cycles between issue-to-use. The lat...