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node and Error: EMFILE, too many open files
...ockets is a good example), you can permanently increase the limit:
file: /etc/pam.d/common-session (add to the end)
session required pam_limits.so
file: /etc/security/limits.conf (add to the end, or edit if already exists)
root soft nofile 40000
root hard nofile 100000
restart your node...
Python - How to sort a list of lists by the fourth element in each list? [duplicate]
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To sort in descending order, add reverse=True as a parameter.
– hb20007
Mar 16 '18 at 21:56
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Is gcc std::unordered_map implementation slow? If so - why?
...gure out, how much slower our concurrent hash map is compared with std::unordered_map .
3 Answers
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What does the git index contain EXACTLY?
...ndex file has the following format
All binary numbers are in network byte order.
Version 2 is described here unless stated otherwise.
A 12-byte header consisting of:
4-byte signature:
The signature is { 'D', 'I', 'R', 'C' } (stands for "dircache")
4-byte version number:
The current supported ver...
What is the X-REQUEST-ID http header?
...e corresponding log statements (without having to rely on timestamps, IPs, etc).
As this ID is generated (randomly) by the client it does not contain any sensitive information, and should thus not violate the user's privacy. As a unique ID is created per request it does also not help with tracking ...
Multiple queries executed in java in single statement
...nection property to those if already exists some, like autoReConnect=true, etc.. Acceptable values for allowMultiQueries property are true, false, yes, and no. Any other value is rejected at runtime with an SQLException.
String dbUrl = "jdbc:mysql:///test?allowMultiQueries=true";
Unless such ...
How do I get the resource id of an image if I know its name?
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once you use xxxxhdpi, xxhdpi, etc. this method becomes less useful
– Someone Somewhere
Jun 25 '16 at 14:08
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file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
...ation (e.g. a partial search 'hint' result, or a new page to be displayed, etc...) you can use GET. If the data being sent is part of a request to change something (update a database, delete a record, etc..) then use POST.
Server-side, there's no reason to use the raw input, unless you want to grab...
Difference between class and type
...lass type covers our enums , our regular (non generic) classes like String etc and our generic classes too.
Similarly , I hope interface and array types is also clear. By array Type we mean like int[], String[] etc.
Let us come to the last part - Type variables. What are they ?
A type variabl...
Android: how to draw a border to a LinearLayout
...mic behavior? Your input drawables are png or ShapeDrawable is acceptable? etc.
To be continued (maybe tomorrow and as soon as you provide more precisions on what you want to achieve)…
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