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Access denied for user 'root@localhost' (using password:NO)
...admin. follow the steps as follows:
[root ~]# mysql -u root
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password:NO)
Stop the service/daemon of mysql running
[root ~]# service mysql stop
mysql stop/waiting
Start mysql without any privileges using the following opt...
How does the HyperLogLog algorithm work?
...hance that this stream has a cardinality of 8" Can you please explain why 000 means expected number of trials 2^3. I tried to compute math expectation of number of trials assuming we have at least one run with 3 zeros and no runs with 4 zeros...
– yura
Aug 9 '...
cocoapods - 'pod install' takes forever
...
There are 17,000+ files/directories in the specs directory. It's not the most git friendly approach to whatever the heck it is they're doing there.
– Erik Reppen
May 19 '16 at 20:24
...
IRXmitter红外发射器扩展 · App Inventor 2 中文网
...或获取要使用的载波频率，单位为赫兹(Hz)。默认值为38,000（38 kHz）。只能设置CarrierFrequencies或CarrierFrequencyList显示的值。如果指定了不支持的值，会触发Screen.ErrorOccurred事件，错误代码17302。
启动延迟
在自动重复模式下，Start...
How do I compile and run a program in Java on my Mac?
...
this happened: Last login: Mon Mar 1 23:41:53 on ttys000 david-allenders-macbook-pro:~ davidallender$ cd ~ david-allenders-macbook-pro:~ davidallender$ javac Helloworld.java error: cannot read: Helloworld.java 1 error david-allenders-macbook-pro:~ davidallender$ what did i do...
How do I grab an INI value within a shell script?
...param3=678
[section2]
param1=abc
param2=def
param3=ghi
[section3]
param1=000
param2=111
param3=222
Say you want param2 from section2. Run the following:
sed -nr "/^\[section2\]/ { :l /^param2[ ]*=/ { s/.*=[ ]*//; p; q;}; n; b l;}" ./file.ini
will give you
def
...
stopPropagation vs. stopImmediatePropagation
...
#parent {
background-color: #CCC;
}
#child {
background-color: #000;
padding: 5em;
}
button {
padding: 1em;
font-size: 1em;
}
.active {
background-color: green;
color: white;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">&l...
Twitter Bootstrap alert message close and open again
...x;
margin-bottom: 20px;
padding: 15px;
}
.close {
color: #000;
float: right;
font-size: 21px;
font-weight: bold;
line-height: 1;
opacity: 0.2;
text-shadow: 0 1px 0 #fff;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.j...
How do you determine the ideal buffer size when using FileInputStream?
...gest (a hash) from a file, and I need to do this to a lot of files (>= 100,000). How big should I make the buffer used to read from the files to maximize performance?
...
Get top 1 row of each group
...Wish I could upvote more than once. I have returned to this answer about 7.000 times already. There might come a day, when I take the time to understand this, so I wouldn't have to come back. But it is not this day.
– mpn275
Sep 9 at 9:56
...