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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...or not, and you can reorder lines without fiddling about with commas. Basically it means there's a uniformity in how you treat the lines.
Now think about generating code. Something like (pseudo-code):
output("int a[] = {");
for (int i = 0; i < items.length; i++) {
output("%s, ", items[i]);
...
Expand/collapse section in UITableView in iOS
...set up a cell to LOOK like a header, and setup the tableView:didSelectRowAtIndexPath to manually expand or collapse the section it is in.
I'd store an array of booleans corresponding the the "expended" value of each of your sections. Then you could have the tableView:didSelectRowAtIndexPath on each...
Read/write to Windows registry using Java
...o[0]; // count
int maxlen = info[3]; // value length max
for(int index=0; index<count; index++) {
byte[] name = (byte[]) regEnumValue.invoke(root, new Object[] {
new Integer
(handles[0]), new Integer(index), new Integer(maxlen + 1)});
String value = re...
What is the “realm” in basic authentication
...ed by HTTP/1.1)
The realm attribute (case-insensitive) is required for all
authentication schemes which issue a challenge. The realm value
(case-sensitive), in combination with the canonical root URL of the
server being accessed, defines the protection space. These realms
allow the prote...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...hints, restructure the query, update statistics, use temporary tables, add indexes, and so on to get better performance.
As for your question. The performance of CTEs and subqueries should, in theory, be the same since both provide the same information to the query optimizer. One difference is th...
【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
...在的话，获取setsockopt配置
if (!ipc.oif)
ipc.oif = inet->mc_index;
if (!saddr)
saddr = inet->mc_addr;
connected = 0;
} else if (!ipc.oif)
ipc.oif = inet->uc_index;
if (connected) //connect()的时候已经查找过路由
rt = (struct rtable *)sk_dst_check(sk, 0);
...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...ion tutorial shows how branch prediction buffers work. The cache buffer is indexed by the lower portion of the address of the branch instruction. This works well unless two important uncorrelated branches share the same lower bits. In that case, you end-up with aliasing which causes many mispredic...
Android OpenGL ES and 2D
... then start with Canvas
http://developer.android.com/guide/topics/graphics/index.html#drawing-with-canvas
Another option depends on skill level is Flash+AdobeAIR to Android, I myself like and luv programming level and as you further start developing you will find out why.
OpenGL :
Check for - Nehe...
How can I get column names from a table in Oracle?
...t set is zero for columns that are not part of the primary key, and is the index of the column in the primary key for columns that are part of the primary key.
See also: Sqlite.org Pragma Table Info
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Fastest way to check if a value exists in a list
...value exists in a list (a list with millions of values in it) and what its index is?
13 Answers
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