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Find the most common element in a list
...me (to get the L.index of every item). While premature optimization is the root of all evil in programming, deliberately picking an O(N squared) approach when an O(N log N) one is available just goes too much against the grain of scalability!-)
Finally, for those who prefer "oneliners" to clarity a...
Reference: What is variable scope, which variables are accessible from where and what are “undefined
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static $counter = 0;
$counter += sqrt($num);//imagine we need to take root of our sheep each time
echo "$counter sheep jumped over fence";
}
Result:
2 sheep jumped over fence
5 sheep jumped over fence
9 sheep jumped over fence
Static function is kinda 'shared' between methods of objects ...
How to solve javax.net.ssl.SSLHandshakeException Error?
...rts file has been corrupted or modified, it should contain all the trusted root certificates, and paypal's cert should be able to be traced back to one of those. You might try getting a copy of cacerts that you know is good and trying that one instead. If the problem persists, then you may not actua...
Is there a unique Android device ID?
...on factory reset". Use at your own risk, and it can be easily changed on a rooted phone.
– Seva Alekseyev
Jun 23 '10 at 14:21
32
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Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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What is the difference between Class.getResource() and ClassLoader.getResource()?
...ive to the .class file while the latter searches relative to the classpath root.
To debug issues like that, I print the URL:
System.out.println( getClass().getResource(getClass().getSimpleName() + ".class") );
share
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How to import CSV file data into a PostgreSQL table?
...uper user access; it complaints on my Fedora 16 when using COPY with a non-root account.
– asksw0rder
Oct 15 '12 at 17:07
81
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What is an 'endpoint' in Flask?
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Hows about url_for for root? I catched error Could not build url for endpoint ''
– TomSawyer
Sep 19 '17 at 8:28
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Python initializing a list of lists [duplicate]
... Spent hours debugging a script for which this behaviour was the root cause - thanks very much for the excellent answer.
– otocan
May 23 '17 at 9:20
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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...值。
注意：history只针对登录用户下执行有效，即使root用户也无法得到其它用户histotry历史。当然，还是有办法记录所有登陆用户的操作历史的：
在/etc/profile里面加入以下代码：
PS1="`whoami`@`hostname`:"'[$PWD]'
history
USER_IP=`wh...