大约有 20,000 项符合查询结果（耗时：0.0264秒） [XML]
PSQLException: current transaction is aborted, commands ignored until end of transaction block
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I can confirm the problem raised by @turbanoff. This can also be reproduced directly with psql. (1) start a transaction, (2) issue some valid statements, (3) issue an invalid statement, (4) commit --> psql will rollback rather t...
Cleaning up the iPhone simulator
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My mistake - this works fine (confirmed by reading the directory in the accepted answer. I'd just forgotten Apple's user-unfriendly design of NSUserDefaults (unset values aren't reported by any sensible manner)
– Adam
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MySQL OPTIMIZE all tables?
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@LorenzoBelfanti Thank you for confirming it. I'm glat that, even after 2 years, this code is useful to, at least, 10 persons. That is a huge victory for me! Once again, thank you!
– Ismael Miguel
Mar 17 '16 at 13:54
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Checking network connection
...8.8.8 53 -zv
Connection to 8.8.8.8 53 port [tcp/domain] succeeded!
Netcat confirms that we can reach 8.8.8.8 over 53/tcp. Now we can set up a socket connection to 8.8.8.8:53/tcp in Python to check connection:
import socket
def internet(host="8.8.8.8", port=53, timeout=3):
"""
Host: 8.8.8.8...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...Your edit about the actual POST/GET response is a bit scary; if anyone can confirm that, then please let us know here!
– Arjan
Sep 30 '10 at 5:34
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...s is the best trade-off I've seen anywhere. Here I show code to use and to confirm that it provides 7 digits after decimal point, in a 4-byte signed int, for long/lat values (so within range -180..+180). Great precision (~1cm) in a small size (4B).
– ToolmakerSteve
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How are people unit testing with Entity Framework 6, should you bother?
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@Liath, great response. You've confirm my suspicions about testing EF. My question is this; your example is for a very concrete case, which is fine. However, as you noted you may need to test hundreds of entities. In keeping with the DRY principle (Do not...
Authoritative position of duplicate HTTP GET query keys
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I can confirm that for PHP (at least in version 4.4.4 and newer) it works like this:
GET /blog/posts?tag=ruby&tag=rails HTTP/1.1
Host: example.com
results in:
request.query['tag'] => 'rails'
But
GET /blog/posts?tag[]=...
psycopg2: insert multiple rows with one query
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Just confirmed this improvement myself. From what I've read psycopg2's executemany doesn't do anything optimal, just loops and does many execute statements. Using this method, a 700 row insert to a remote server went from 60s to &...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
...+ SHIFT + R
Updated as stated by @PaulSlocum in the comments (and many confirmed)
Original answer:
Chrome changed behavior. Ctrl + R will do it.
On OS X: ⌘ + R
If you have problems reloading css/js files, open the inspector
(CTRL + SHIFT + C) before
doing the reload.
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