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How to store a command in a variable in a shell script?
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edited Feb 10 '19 at 11:07
Gilles 'SO- stop being evil'
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Clear file cache to repeat performance testing
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edited Nov 13 '12 at 5:05
Jeff Atwood
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a...
jQuery Validate - require at least one field in a group to be filled
...han's code without any changes
}, jQuery.format("Please fill out at least {0} of these fields."));
// "filone" is the class we will use for the input elements at this example
jQuery.validator.addClassRules("fillone", {
require_from_group: [1,".fillone"]
});
Code inside the html file:
<inp...
Auto margins don't center image in page
...his example the image is not centered. Why? My browser is Google Chrome v10 on windows 7, not IE.
9 Answers
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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...sion. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari...
Getting all names in an enum as a String[]
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20 Answers
20
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Configuration System Failed to Initialize
... or app.config if windows) in your project starts as:
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="applicationSettings"
type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral...
Why use bzero over memset?
...ons for memset which switch to a particular implementation when a constant 0 is detected. Same for glibc when builtins are disabled.
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...ndom_string(length integer) returns text as
$$
declare
chars text[] := '{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}';
result text := '';
i integer := 0;
begin
if length < 0 then
raise exception 'Given le...