大约有 40,000 项符合查询结果(耗时:0.0302秒) [XML]
Git: which is the default configured remote for branch?
...is the "default configured remote for your current branch" ? And how do I set it?
4 Answers
...
How do I set a column value to NULL in SQL Server Management Studio?
...y answered the question but just to cover all the bases:
Update myTable set MyColumn = NULL
This would set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Field = Condition.
This would set...
How to remove gaps between subplots in matplotlib?
...,4))
gs1 = gridspec.GridSpec(4, 4)
gs1.update(wspace=0.025, hspace=0.05) # set the spacing between axes.
for i in range(16):
# i = i + 1 # grid spec indexes from 0
ax1 = plt.subplot(gs1[i])
plt.axis('on')
ax1.set_xticklabels([])
ax1.set_yticklabels([])
ax1.set_aspect('equal'...
NSUserDefaults removeObjectForKey vs. setObject:nil
...Swift 3.0
The below answer is no longer the case when I tested this.
When set to nil the result is NSCFData being stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefault")
I tested with...
Disable IntelliJ Starred (Package) Imports?
...
You can set this setting here.
In IDEA 14+ the sequence is:
Settings > Editor > Code Style > Java > Imports > Class count to use import with '*'
In older version of IDEA:
Settings -> Java -> Code Style ->...
MySQL: @variable vs. variable. What's the difference?
...ed with an @ sign, like this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables:
DELIMITER //
CREATE PROCEDURE prc_test (var I...
Proper way to add svn:executable
...n executable before svn adding them. They have the svn:executable property set. Now, a few other files were checked in without the executable bit do not have it, and I want to set the svn:executable property:
...
Center/Set Zoom of Map to cover all visible Markers?
I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible
...
How do I configure Notepad++ to use spaces instead of tabs?
...
Go to the Preferences menu command under menu Settings, and select Language Menu/Tab Settings, depending on your version. Earlier versions use Tab Settings. Later versions use Language. Click the Replace with space check box. Set the size to 4.
See documentation: http...
SQL UPDATE all values in a field with appended string CONCAT not working
... 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
+------+--------+
| id | data |
+------+--------+
| ...