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What's the best way to check if a String represents an integer in Java?
...they aren't bad performers.
public void RunTests()
{
String str = "1234567890";
long startTime = System.currentTimeMillis();
for(int i = 0; i < 100000; i++)
IsInt_ByException(str);
long endTime = System.currentTimeMillis();
System.out.print("ByException: ");
...
write a shell script to ssh to a remote machine and execute commands
... -S apt-get install vlc"
HOSTS=("192.168.1.121" "192.168.1.122" "192.168.1.123")
USERNAMES=("username1" "username2" "username3")
PASSWORDS=("password1" "password2" "password3")
for i in ${!HOSTS[*]} ; do
echo ${HOSTS[i]}
SCR=${SCRIPT/PASSWORD/${PASSWORDS[i]}}
sshpass -p ${PASSWORDS[i]...
Find nearest latitude/longitude with an SQL query
... 6 digits after the decimal, plus up to 4 digits before the decimal, e.g. -123.456789 degrees. Your table should also have an id attribute to serve as the primary key.
CREATE TABLE `markers` (
`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`name` VARCHAR( 60 ) NOT NULL ,
`address` VARCHAR( 80 ...
Round to at most 2 decimal places (only if necessary)
...
If the value is a text type:
parseFloat("123.456").toFixed(2);
If the value is a number:
var numb = 123.23454;
numb = numb.toFixed(2);
There is a downside that values like 1.5 will give "1.50" as the output. A fix suggested by @minitech:
var numb = 1.5;
numb = +nu...
XDocument or XmlDocument
...id="4" />
<bar id="5" />
</foo>
<foo id="123">Text 1<moo />Text 2
</foo>
</xml>
We can evaluate:
var node = xele.XPathSelectElement("/xml/foo[@id='123']");
var nodes = xele.XPathSelectElements(
"//moo/ancestor::xml/descendant::baz[@id='1'...
Spring Boot - inject map from application.yml
...eholders being replaced. E.g. if you had a system property project.version=123 set, the example you gave in the answer would return version=123, while after setting locations it would return project.version=${project.version}. Do you know if there's a limitation of some sorts here?
...
Using str_replace so that it only acts on the first match?
...n preg_replace($from, $to, $content, 1);
}
echo str_replace_first('abc', '123', 'abcdef abcdef abcdef');
// outputs '123def abcdef abcdef'
The magic is in the optional fourth parameter [Limit]. From the documentation:
[Limit] - The maximum possible
replacements for each pattern in each
s...
How to sort objects by multiple keys in Python?
... edited May 25 at 20:23
bugmenot123
1,32911 gold badge1414 silver badges2424 bronze badges
answered Apr 24 '15 at 13:54
...
How to properly create an SVN tag from trunk?
...revision of the trunk and "tag" it as well. the command: svn copy -r 123 "svn.example.com/project/trunk" "svn.example.com/project/tags/1.0" -m "Tagging, but using older revision (123)."
– granadaCoder
Oct 18 '11 at 16:39
...
How to pass json POST data to Web API method as an object?
...structure of our view model class
var model = {
Name: "Shyju",
Id: 123,
Tags: [{ Id: 12, Code: "C" }, { Id: 33, Code: "Swift" }]
};
$.ajax({
type: "POST",
data: JSON.stringify(model),
url: "../product/save",
contentType: "application/json"
}).done(function(res) {
...