大约有 30,000 项符合查询结果（耗时：0.0410秒） [XML]
How to get the part of a file after the first line that matches a regular expression?
I have a file with about 1000 lines. I want the part of my file after the line which matches my grep statement.
12 Answers
...
socket.shutdown vs socket.close
... to send any more data
This is usefull in
1- Buffer flushing
2- Strange error detection
3- Safe guarding
Let me explain more , when you send a data from A to B , it's not guaranteed to be
sent to B , it's only guaranteed to be sent to the A os buffer ,
which in turn sends it to the B os buffe...
What is the difference between const int*, const int * const, and int const *?
... this side effect.
int var0 = 0;
const int &ptr1 = var0;
ptr1 = 8; // Error
var0 = 6; // OK
Constant pointers
Once a constant pointer points to a variable then it cannot point to any other variable.
int var1 = 1;
int var2 = 0;
int *const ptr2 = &var1;
ptr2 = &var2; // Error
Pointe...
“cannot resolve symbol R” in Android Studio
...the main culprit. Wasted 6.50 hours from my life. Gradle 3.2.1 removed the error.
classpath 'com.android.tools.build:gradle:3.2.1'
Problem resolved after changing the gradle version. Details history can be found here.
sha...
Cannot drop database because it is currently in use
...
For me I get the error "KILL command cannot be used inside user transactions."
– Ally
May 9 '14 at 13:59
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How to load local html file into UIWebView
... [NSString stringWithContentsOfFile:htmlFile encoding:NSUTF8StringEncoding error:nil];
[webView loadHTMLString:htmlString baseURL: [[NSBundle mainBundle] bundleURL]];
Swift
let htmlFile = NSBundle.mainBundle().pathForResource("fileName", ofType: "html")
let html = try? String(contentsOfFile: html...
javascript i++ vs ++i [duplicate]
... @aelgoa: Most of the time the difference is within the margin error, and the rest of the time there is no consistent result. If you don't use the value of the expression, theoretically there should be no difference at all, as the compiler should optimise it to the same operation.
...
Sending images using Http Post
...ess = object.optBoolean("success");
String message = object.optString("error");
if (!success) {
responseBody = message;
} else {
responseBody = "success";
}
} catch (Exception e) {
e.printStackTrace();
} finally {
client.getConnectionManager().shutdown();
}
...
typeof for RegExp
...e any String value except one of "Arguments", "Array", "Boolean", "Date", "Error", "Function", "JSON", "Math", "Number", "Object", "RegExp", and "String". The value of a [[Class]] internal property is used internally to distinguish different kinds of objects. Note that this specification does not pr...
CSS Selector for
Is there any way with CSS to target all inputs based on their type? I have a disabled class I use on various disabled form elements, and I'm setting the background color for text boxes, but I don't want my checkboxes to get that color.
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