大约有 19,000 项符合查询结果（耗时：0.0307秒） [XML]
Possible to perform cross-database queries with PostgreSQL?
...able1 tb1
LEFT JOIN (
SELECT *
FROM dblink('dbname=db2','SELECT id, code FROM table2')
AS tb2(id int, code text);
) AS tb2 ON tb2.column = tb1.column;
Note: I am giving this information for future reference. Refrence
...
How can I get dict from sqlite query?
...e docs:
import sqlite3
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
con = sqlite3.connect(":memory:")
con.row_factory = dict_factory
cur = con.cursor()
cur.execute("select 1 as a")
print cur.fetchone()["a"]
...
Media Player called in state 0, error (-38,0)
...Source(url);
mp.setOnPreparedListener(this);
mp.prepareAsync();
public void onPrepared(MediaPlayer player) {
player.start();
}
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How do you display JavaScript datetime in 12 hour AM/PM format?
... Also you declared the "hours" variable twice but made "strTime" an accidental global. It's not extremely elegant but this seems to be the proper technique using native methods.
– Jon z
Nov 15 '12 at 13:28
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onActivityResult is not being called in Fragment
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The hosting activity overrides onActivityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first...
Is there a way to get the XPath in Google Chrome?
... Nice -- although I'm not sure this answers the original question. How did you find out about it? I'm wondering if there are other similar functions available in the console.
– huyz
Sep 3 '11 at 8:30
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force Maven to copy dependencies into target/lib
...e:
<project>
...
<profiles>
<profile>
<id>qa</id>
<build>
<plugins>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
...
The entitlements specified…profile. (0xE8008016). Error iOS 4.2
...
By the way, check that you specify correct sign identity exactly in Target -> Build Settings, not in Project. Target overrides the Project. I've forgot about this and got 0xE8008016 error message.
– Tertium
Sep 26 '12 at 18:59
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Laravel Check If Related Model Exists
...fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on all the relation types (pre php 7.2):
if (count($model->relation))
{
// exists
}
This will work for every relation since dynamic properti...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...
git reset --hard <tag/branch/commit id>
Notes:
git reset without the --hard option resets the commit history, but not the files. With the --hard option the files in working tree are also reset. (credited user)
If you wish to commit that state so that t...