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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...n += sizeof(struct udphdr); //否则开始一个新的udp包
/*
* Get and verify the address.
*/
if (msg->msg_name) {
DECLARE_SOCKADDR(struct sockaddr_in *, usin, msg->msg_name);
if (msg->msg_namelen < sizeof(*usin))
return -EINVAL;
if (usin->sin_family != AF_INET) {
if (u...
Android WebView style background-color:transparent ignored on android 2.2
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it doesn't work in android 3.x if you are using android:hardwareAccelerated="true"
– Macarse
Jul 28 '11 at 18:46
2
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Dynamic cell width of UICollectionView depending on label width
...ne issue. When I uncomment [cell.myLabel sizeToFit] I have words truncated and letters cut at the bottom but it becomes ok after I scroll (words have they normal size and letters jump up a bit). If I comment and disable [cell.myLabel sizeToFit] message (I decided to play around with IB and it works ...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
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If I understand the question correctly, you want to update a document with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to another valu...
Why use softmax as opposed to standard normalization?
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There is one nice attribute of Softmax as compared with standard normalisation.
It react to low stimulation (think blurry image) of your neural net with rather uniform distribution and to high stimulation (ie. large numbers, think crisp image) with probabilities close to 0 and 1.
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Determining if an Object is of primitive type
I have an Object[] array, and I am trying to find the ones that are primitives. I've tried to use Class.isPrimitive() , but it seems I'm doing something wrong:
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How can I group by date time column without taking time into consideration
I have a bunch of product orders and I'm trying to group by the date and sum the quantity for that date. How can I group by the month/day/year without taking the time part into consideration?
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Google Gson - deserialize list object? (generic type)
...n<...>() {}.getType() captures a compile-time type (between the < and >) into a runtime java.lang.reflect.Type object. Unlike a Class object, which can only represent a raw (erased) type, the Type object can represent any type in the Java language, including a parameterized instantiation...
how to prevent “directory already exists error” in a makefile when using mkdir
I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
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Get filename and path from URI from mediastore
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In the newest Android version (KitKat) this gives an error: the path String is null.
– Christopher Masser
Nov 29 '13 at 11:35
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