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Limiting the number of records from mysqldump?
...s skaffman says, use the --where option:
mysqldump --opt --where="1 limit 1000000" database
Of course, that would give you the first million rows from every table.
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Why is @autoreleasepool still needed with ARC?
...auto release pool:
- (void)useALoadOfNumbers {
for (int j = 0; j < 10000; ++j) {
@autoreleasepool {
for (int i = 0; i < 10000; ++i) {
NSNumber *number = [NSNumber numberWithInt:(i+j)];
NSLog(@"number = %p", number);
}
...
Expand a random range from 1–5 to 1–7
... pow5 *= 5
if __name__ == '__main__':
r7 = rand7_gen()
N = 10000
x = list(next(r7) for i in range(N))
distr = [x.count(i) for i in range(7)]
expmean = N / 7.0
expstddev = math.sqrt(N * (1.0/7.0) * (6.0/7.0))
print '%d TRIALS' % N
print 'Expected mean: %.1f' %...
keytool error :java.io.IoException:Incorrect AVA format
...\jdk1.6.0_45\jre\bin>keytool
-genkey -v -dname PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
this command completed successfully:
C:\Program Files\Java\jdk1.6.0_45\jre\bin>keytool
-genkey -v -dname PatrickTaylor -validity 10000
-keystore C:\drops\patrickkeystore
-dn...
Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 因此，可根据服务器的负载来调整这个值。个人认为10000左右比较合适。
MaxClients是这些指令中最为重要的一个，设定的是Apache可以同时处理的请求，是对Apache性能影响最大的参数。其缺省值150是远远不够的，如果请...
Remote debugging with Android emulator
... HostEmulator, enter the following cygwin commands:
hts -F localhost:5554 10000
hts -F localhost:5555 10001
hts means Http Tunnel Server.
These two commands create two half-bridge that listen to the ports 10001 and 10001 and that redirect the I/O of these ports to the local ports 5554 and 5555...
JavaScript and Threads
...\S](?!\}$))*[\s\S])/)[1]],{type:'text/javascript'})); }
var MAX_VALUE = 10000;
/*
* Here are the workers
*/
//Worker 1
var worker1 = new Worker(getScriptPath(function(){
self.addEventListener('message', function(e) {
var value = 0;
while(value <= e.data){
...
How does facebook, gmail send the real time notification?
...pe: 'json', // or the dataType you are working with
timeout: 10000, // IMPORTANT! this is a 10 seconds timeout
cache: false
}).done(function (eventList) {
// Handle your data here
var data;
for (var eventName in eventList) {
da...
What is a “surrogate pair” in Java?
...FF, some additional complexity is used to store values above this range (0x10000 to 0x10FFFF). This is done using pairs of code units known as surrogates.
The surrogate code units are in two ranges known as "high surrogates" and "low surrogates", depending on whether they are allowed at the start o...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...dob = int.Parse(dateOfBirth.ToString("yyyyMMdd"));
int age = (now - dob) / 10000;
Or alternatively without all the type conversion in the form of an extension method. Error checking omitted:
public static Int32 GetAge(this DateTime dateOfBirth)
{
var today = DateTime.Today;
var a = (toda...