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Android XML Percent Symbol
... For multiple parameter substitution (e.g. with strings), use %1$s, %2$s etc.
– CJBS
Apr 20 '15 at 21:12
1
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Is there a way to change the environment variables of another process in Unix?
...hich calls for one of the IPC methods (shared memory, semaphores, sockets, etc.). Having received data by one of these methods you could then set environment variables or perform other actions more directly.
Getting the closest string match
...finding words from one phrase in the other phrase, length of both phrases, etc) along with the implementation of the Levenshtein distance algorithm. Because deciding which is the "best" match is a heuristic (fuzzy) determination - you'll have to come up with a set of weights for any metrics you come...
Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
...tup:
Ubuntu 14.04 LTS
MySQL v5.5.37
Solution
Open up the file under 'etc/mysql/my.cnf'
Check for:
port (by default this is 'port = 3306')
bind-address (by default this is 'bind-address = 127.0.0.1'; if you want to open to all then just comment out this line. For my example, I'll say the act...
Open file dialog box in JavaScript
...don't need all that stuff with opacity, visibility, <input> styling, etc. Just take a look:
<a href="#">Just click me.</a>
<script type="text/javascript">
$("a").click(function() {
// creating input on-the-fly
var input = $(document.createElement("input")...
Reading a plain text file in Java
...ame.txt"));
Scanner has several methods for reading in strings, numbers, etc... You can look for more information on this on the Java documentation page.
For example reading the whole content into a String:
StringBuilder sb = new StringBuilder();
while(in.hasNext()) {
sb.append(in.next());
}...
Filter dataframe rows if value in column is in a set list of values [duplicate]
... isin only works for perfect matched, it accepts dataframes, Series, Index etc.. @jakevdp provided a great solution here, which works to extract the matching values of df1, given another dataframe df2:stackoverflow.com/a/33282617/4752883. In my case, I have a df2, but the values in df2 wont be exact...
Downloading a large file using curl
...URNTRANSFER has to be true in case you are getting file like pdf/csv/image etc.
You may find the further detail over here(correct url) Curl Doc
From that page:
curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins
curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // true to get...
Vagrant error: NFS is reporting that your exports file is invalid
... Downgrading is not required. You just need to run sudo touch /etc/exports. See colinhoernig's answer. Also, I just updated my vagrant install to v1.4.3 and VirtualBox to v4.3.8 and that seemed to solve my problem.
– donut
Mar 2 '14 at 18:02
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What is the difference between HAVING and WHERE in SQL?
... a minority queries would need to be rewritten using a derived table, CTE, etc but they would arguably be easier to understand and maintain as a result. Maybe vendors' optimizer code would need to be rewritten to account for this, again an opportunity for improvement within the industry.
Now consid...