大约有 22,000 项符合查询结果(耗时:0.0301秒) [XML]

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Fastest method of screen capturing on Windows

...e a class that implemented the GDI method for screen capture. I too wanted extra speed so, after discovering the DirectX method (via GetFrontBuffer) I tried that, expecting it to be faster. I was dismayed to find that GDI performs about 2.5x faster. After 100 trials capturing my dual monitor displa...
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Left Join With Where Clause

...to retrieve all default settings from the settings table but also grab the character setting if exists for x character. 6 ...
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Why should C++ programmers minimize use of 'new'?

I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments says this: ...
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PendingIntent does not send Intent extras

... Following code should work:- int icon = R.drawable.icon; String message = "hello"; long when = System.currentTimeMillis(); NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); Notification notification = new Notific...
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Linux: is there a read or recv from socket with timeout?

...econds; tv.tv_usec = 0; setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv); // WINDOWS DWORD timeout = timeout_in_seconds * 1000; setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout, sizeof timeout); // MAC OS X (identical to Linux) struct timeval tv; tv...
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Random “Element is no longer attached to the DOM” StaleElementReferenceException

... to use a method like this with some success: WebElement getStaleElemById(String id) { try { return driver.findElement(By.id(id)); } catch (StaleElementReferenceException e) { System.out.println("Attempting to recover from StaleElementReferenceException ..."); return...
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how does array[100] = {0} set the entire array to 0?

How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it? 4 Answers ...
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How to display multiple notifications in android

...intent will direct to different activity.. private void sendNotification(String message,String title,JSONObject extras) throws JSONException { String id = extras.getString("actionParam"); Log.e("gcm","id = "+id); Intent intent = new Intent(this, OrderDetailActivty.class); intent.pu...
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How can I comment a single line in XML?

... Unfortunately, this is wrong. The spec says, For compatibility, the string " -- " (double-hyphen) MUST NOT occur within comments. – kojiro Jun 26 '13 at 20:01 2 ...
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Split comma-separated strings in a column into separate rows

...act on timings. Since R 4.0.0, the default, when creating a data.frame, is stringsAsFactors = FALSE, so as.character could be removed. – GKi Jun 18 at 14:23 add a comment ...