大约有 18,361 项符合查询结果（耗时：0.0343秒） [XML]
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...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
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You can override the constructor. Something like:
private class MyAsyncTask extends AsyncTask<Void, Void, Void> {
public MyAsyncTask(boolean showLoading) {
super();
// do stuff
}
// doInBackground() et...
How to get the nvidia driver version from the command line?
...debugging CUDA code and checking compatibilities I need to find out what nvidia driver version for the GPU I have installed. I found How to get the cuda version? but that does not help me here.
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How do I remove the first characters of a specific column in a table?
...erate on, and the number of characters to return (starting at the "right" side of the string). LEN returns the length of the column data, and we subtract four so that our RIGHT function leaves the leftmost 4 characters "behind".
Hope this makes sense.
Edit again - I just read Andrew's response, a...
Explanation of strong and weak storage in iOS5
... I have read the documentation and other SO questions, but they all sound identical to me with no further insight.
6 Answe...
How can I bind to the change event of a textarea in jQuery?
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Try this actually:
$('#textareaID').bind('input propertychange', function() {
$("#yourBtnID").hide();
if(this.value.length){
$("#yourBtnID").show();
}
});
DEMO
That works for any changes you make, typing, cutting, pasting.
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How can I see the raw SQL queries Django is running?
...ilter(name="my name").query)
Note that the output of the query is not valid SQL, because:
"Django never actually interpolates the parameters: it sends the query and the parameters separately to the database adapter, which performs the appropriate operations."
From Django bug report #17741.
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How to check if element has any children in Javascript?
Simple question, I have an element which I am grabbing via .getElementById () . How do I check if it has any children?
8 A...
What is Ad Hoc Query?
...y type out where you need it
var newSqlQuery = "SELECT * FROM table WHERE id = " + myId;
...which is an entirely different query each time that line of code is executed, depending on the value of myId. The opposite of an ad hoc query is a predefined query such as a Stored Procedure, where you hav...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
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I just did some tests of the four options that I know about.
Measure-Command {$(1..1000) | Out-Null}
TotalMilliseconds : 76.211
Measure-Command {[Void]$(1..1000)}
TotalMilliseconds : 0.217
Measure-Command {$(1..1000) > $null}...