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How do I find out what keystore my JVM is using?
...me uName, the "user.home" property value defaults to
C:\Users\uName on Windows 7 systems
C:\Winnt\Profiles\uName on multi-user Windows NT systems
C:\Windows\Profiles\uName on multi-user Windows 95 systems
C:\Windows on single-user Windows 95 systems
Thus, if the user name is "cathy", "user.home" ...
Safely casting long to int in Java
... the most idiomatic way in Java to verify that a cast from long to int does not lose any information?
10 Answers
...
How do I center an SVG in a div?
... width of 400px. The SVG has its margin-left and margin-right set to auto. Doesn't work, it just acts as if the left margin is 0 (default).
...
Why is my git repository so big?
...2=#new repo (must already exist)
cd $d1
for b in $(git branch | cut -c 3-)
do
git checkout $b
x=$(git rev-parse HEAD)
cd $d2
git checkout -b $b $x
cd $d1
done
share
|
improve th...
How do I make an HTML text box show a hint when empty?
... Internet Explorer only added support in 10. If you target a browser that does not support input placeholders, you can use a jQuery plugin called jQuery HTML5 Placeholder, and then just add the following JavaScript code to enable it.
$('input[placeholder], textarea[placeholder]').placeholder();
...
Replace a value in a data frame based on a conditional (`if`) statement
...e so much easier when working with factors. +1
– Brandon Bertelsen
Apr 28 '11 at 22:38
4
what if ...
HTML5 Number Input - Always show 2 decimal places
...
step='0.01' does not work for me on Chrome 66.0 parseFloat works like a charm. robot_speed = parseFloat(robot_speed).toFixed(2)
– 05032 Mendicant Bias
Aug 14 '19 at 14:52
...
Defeating a Poker Bot
...y, there is
a tiny tiny chance this is a real
human. (However some players do have the ability to play very large hand volumes which to the inexperienced eye would appear to be a bot)
Throw it glitches. If you suspect a
player is a bot, change all their
playing card positions off a few
pixels on th...
How to decide when to use Node.js?
... you can write an application that sends updates to the user in real time. Doing long polling on many of the web's giants, like Ruby on Rails or Django, would create immense load on the server, because each active client eats up one server process. This situation amounts to a tarpit attack. When you...
Performance - Date.now() vs Date.getTime()
... construction (or at whatever time/date it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to now.getTime() will tell the time at the point the variable was set.
sha...