大约有 30,000 项符合查询结果（耗时：0.0500秒） [XML]
WebView link click open default browser
...m is clicked within the app it opens the default browser. If anyone has some ideas please let me know!
5 Answers
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error: use of deleted function
I've been working on some C++ code that a friend has written and I get the following error that I have never seen before when compiling with gcc4.6:
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How to send cookies in a post request with the Python Requests library?
...uest, but I'm not sure how to actually set up the cookies based on its documentation. The script is for use on Wikipedia, and the cookie(s) that need to be sent are of this form:
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What is the difference between `throw new Error` and `throw someObject`?
...The Error object in all browsers support the following two properties:
name: The name of the error, or more specifically, the name of the constructor function the error belongs to.
message: A description of the error, with this description varying depending on the browser.
Six possible values ca...
Do I have to guard against SQL injection if I used a dropdown?
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You could do something as simple as the following example to make sure the posted size is what you expect.
$possibleOptions = array('All', 'Large', 'Medium', 'Small');
if(in_array($_POST['size'], $possibleOptions)) {
// Expected
} el...
curl_exec() always returns false
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Error checking and handling is the programmer's friend. Check the return values of the initializing and executing cURL functions. curl_error() and curl_errno() will contain further information in case of failure:
try {
$ch = curl_init();
// Check if initial...
What's the difference between nohup and ampersand
...be worth noting that just & does cause the subcommand to not receive some signals (e.g. SIGINT). nohup essentially adds SIGHUP to the list of signals that are not propagated.
– studgeek
May 22 at 21:38
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MySQL Creating tables with Foreign Keys giving errno: 150
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I had the same problem with ALTER TABLE ADD FOREIGN KEY.
After an hour, I found that these conditions must be satisfied to not get error 150:
The Parent table must exist before you define a foreign key to reference it. You must define...
How to adjust an UIButton's imageSize?
...ou're trying to do, you need to play with the buttons image edge inset. Something like:
myLikesButton.imageEdgeInsets = UIEdgeInsets(top, left, bottom, right)
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SQL - Rounding off to 2 decimal places
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Could you not cast your result as numeric(x,2)? Where x <= 38
select
round(630/60.0,2),
cast(round(630/60.0,2) as numeric(36,2))
Returns
10.500000 10.50
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