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jumpserver-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkco...
CSS Printing: Avoiding cut-in-half DIVs between pages?
I'm writing a plug-in for a piece of software that takes a big collection of items and pops them into HTML in a WebView in Cocoa (which uses WebKit as its renderer, so basically you can assume this HTML file is being opened in Safari).
...
SET versus SELECT when assigning variables?
...tefanelli
121k1515 gold badges212212 silver badges223223 bronze badges
4
...
What is a method that can be used to increment letters?
...chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') {
this._chars = chars;
this._nextId = [0];
}
next() {
const r = [];
for (const char of this._nextId) {
r.unshift(this._chars[char]);
}
this._increment();
return r.join('');
}
_increment() {
...
How to sort a list of strings numerically?
I know that this sounds trivial but I did not realize that the sort() function of Python was weird. I have a list of "numbers" that are actually in string form, so I first convert them to ints, then attempt a sort.
...
Creating a new empty branch for a new project
...a start point.
– Brice
Apr 11 at 19:32
|
show 1 more comment
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Check whether or not the current thread is the main thread
...
answered Dec 4 '16 at 15:32
dimo hamdydimo hamdy
2,1112222 silver badges1919 bronze badges
...
How do I efficiently iterate over each entry in a Java Map?
...68 ± 0.887 µs/op
test6_UsingForAndIterator avgt 10 50.332 ± 0.507 µs/op
test2_UsingForEachAndMapEntry avgt 10 51.406 ± 1.032 µs/op
test1_UsingWhileAndMapEntry avgt 10 52.538 ± 2.431 µs/op
test7_UsingJava8StreamApi avgt 10 54.4...
Random record from MongoDB
...nvolved.
– JohnnyHK
Jun 7 '16 at 13:32
2
@brycejl That would have the fatal flaw of not matching ...
How do you set a default value for a MySQL Datetime column?
...ut you can do it with TIMESTAMP:
mysql> create table test (str varchar(32), ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP);
Query OK, 0 rows affected (0.00 sec)
mysql> desc test;
+-------+-------------+------+-----+-------------------+-------+
| Field | Type | Null | Key | Default ...