大约有 36,200 项符合查询结果（耗时：0.0351秒） [XML]
Kill process by name?
...
psutil can find process by name and kill it:
import psutil
PROCNAME = "python.exe"
for proc in psutil.process_iter():
# check whether the process name matches
if proc.name() == PROCNAME:
proc.kill()
...
MySQL - Rows to Columns
...olumns.
Step 3: group and aggregate the extended table. We need to group by hostid, since it provides the y-values:
create view history_itemvalue_pivot as (
select
hostid,
sum(A) as A,
sum(B) as B,
sum(C) as C
from history_extended
group by hostid
);
select * from history_i...
How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
... @Nilzor chmod 644 {} \; specifies the command that will be executed by find for each file. {} is replaced by the file path, and the semicolon denotes the end of the command (escaped, otherwise it would be interpreted by the shell instead of find).
– tobbez
...
How does the String class override the + operator?
....
5.1.11. String Conversion
Any type may be converted to type String by string conversion.
A value x of primitive type T is first converted to a reference value
as if by giving it as an argument to an appropriate class instance
creation expression (§15.9):
If T is boolean, th...
How to sort List of objects by some property
...parator<T> option.
EDIT: Sample implementation:
public class AlarmByTimesComparer implements Comparator<ActiveAlarm> {
@Override
public int compare(ActiveAlarm x, ActiveAlarm y) {
// TODO: Handle null x or y values
int startComparison = compare(x.timeStarted, y.timeStarted...
Windows API Code Pack: Where is it? [closed]
... completely gone. It looks like the binaries have been reuploaded to NuGet by other developers, although note that none of the packages are official ones from Microsoft.
The following packages were uploaded by NuGet user aybe:
https://www.nuget.org/packages/WindowsAPICodePack-Core
https://www.nug...
How to get ID of the last updated row in MySQL?
...= id)
WHERE some_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retrieve the ID of every row affected by an update statement:
SET @uids := null;
UPDATE footable
SET foo = 'bar'
WHERE fooid > 5
AND ( SELECT @uids := CONCAT_WS('...
Warning the user/local/mysql/data directory is not owned by the mysql user
...el prefs appears 'warning the user/local/mysql/data directory is not owned by the mysql user', you have to:
sudo chown -RL root:mysql /usr/local/mysql
sudo chown -RL mysql:mysql /usr/local/mysql/data
sudo /usr/local/mysql/support-files/mysql.server start
...
Anonymous recursive PHP functions
...
that's weird bc objects should always be passed by reference, and anon. functions are objects...
– ellabeauty
Aug 14 '12 at 21:31
25
...
Could you explain STA and MTA?
...need. COM objects can ask the runtime to protect them against being called by multiple threads at the same time; those that don't can potentially be called concurrently from different threads, so they have to protect their own data.
In addition, it's also necessary for the runtime to prevent a COM ...