大约有 49,000 项符合查询结果（耗时：0.0601秒） [XML]
Android: how do I check if activity is running?
...per.onStop();
active = false;
}
}
The only gotcha is that if you use it in two activities that link to each other then onStop on the first is sometimes called after onStart in second. So both might be true briefly.
Depending on what you are trying to do (update the current activity...
How to make Google Chrome JavaScript console persistent?
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If anyone's still looking for this, I'm on Chrome 15.0.874.58 beta-m and I have a checkbox in Developer Tools > Settings labelled "Console: Preserve log on navigation". Does the job nicely.
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How do I return early from a rake task?
I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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Could this change the response status and headers? Say, if I'm trying to return a 503 but a client is receiving a 500?
– PJSCopeland
Oct 3 '19 at 20:48
add ...
Get the last inserted row ID (with SQL statement) [duplicate]
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If your SQL Server table has a column of type INT IDENTITY (or BIGINT IDENTITY), then you can get the latest inserted value using:
INSERT INTO dbo.YourTable(columns....)
VALUES(..........)
SELECT SCOPE_IDENTITY()
This ...
Getting pids from ps -ef |grep keyword
...inst the process name. When -f is set, the full command line is used.
If you really want to avoid pgrep, try:
ps -ef | awk '/[k]eyword/{print $2}'
Note the [] around the first letter of the keyword. That's a useful trick to avoid matching the awk command itself.
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Using FileSystemWatcher to monitor a directory
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The problem was the notify filters. The program was trying to open a file that was still copying. I removed all of the notify filters except for LastWrite.
private void watch()
{
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Pat...
How to tell Maven to disregard SSL errors (and trusting all certs)?
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You can disable SSL certificate checking by adding one or more of these command line parameters:
-Dmaven.wagon.http.ssl.insecure=true - enable use of relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable ...
Django. Override save for model
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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Open a file from Cygwin
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There is one interesting difference between this and "cygstart" that I noticed when running under Cygwin's bash shell. Consider the following two commands: 1) cygstart programThatCrashes.exe 2) cmd /c start programThatCrashes.exe Also, programT...