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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...ccess to the ip address for test purposes you can modify temporarily your /etc/hosts file or equivalent
– tyoc213
Dec 2 '15 at 19:06
1
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Adding a column to a data.frame
...f h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
7 Ans...
Can I exclude some concrete urls from inside ?
... @BalusC If the "/specialpath" just serves a static resource like js, css etc, does chain.doFilter() make the response slower? Is there a method to serve the resource directly without chaining the filter?
– BenhurCD
Feb 12 '14 at 3:41
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What does “#pragma comment” mean?
...ngs, branching, including libs like shown above, disabling specific errors etc., during the compilation phase.
Compiler companies usually create their own extensions to facilitate their features. For example, (I believe) Microsoft started the "#pragma once" deal and it was only in MS products, now ...
Is it secure to store passwords as environment variables (rather than as plain text) in config files
...riables is version control: I've seen way too many database configurations etc. being accidentially stored in the version control system like GIT for every other developer to see (and whoops! it happened to me as well ...).
Not storing your passwords in files makes it impossible for them to be stor...
MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...可以在源代码里看到它们的踪影：
default_files => [
"/etc/percona-toolkit/percona-toolkit.conf",
"/etc/percona-toolkit/$program_name.conf",
"$home/.percona-toolkit.conf",
"$home/.$program_name.conf",
]
…
俗话说：不怕贼偷，就怕贼惦记着。看待...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...and such (lots of non-table 'stuff' is stored in there, undo logs, caches, etc...).
Anyways, I found that if you look in the OS directory where the files-per-table are stored, /var/lib/mysql by default on OSX, /usr/local/var/mysql with homebrew iirc, you'll find an orphaned tablename.ibd file witho...
phantomjs not waiting for “full” page load
...rs. Useful for waiting
* on a server response or for a ui change (fadeIn, etc.) to occur.
*
* @param testFx javascript condition that evaluates to a boolean,
* it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')" or
* as a callback function.
* @param onReady what to do...
How to check internet access on Android? InetAddress never times out
... could run on main thread
- does not work on some old devices (Galays S3, etc.), it blocks a while if no internet is available.
B) Connect to a Socket on the Internet (advanced)
// TCP/HTTP/DNS (depending on the port, 53=DNS, 80=HTTP, etc.)
public boolean isOnline() {
try {
int timeou...
Bitwise operation and usage
...telecommunication applications (cellular phones, satellite communications, etc).
In the lower level layer of communication, the data is usually sent in what is called frames. Frames are just strings of bytes that are sent through a physical channel. This frames usually contain the actual data plus...