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What is difference between monolithic and micro kernel?
...ing entirely in a single address space. It is a single static binary file. All kernel services exist and execute in the kernel address space. The kernel can invoke functions directly. Examples of monolithic kernel based OSs: Unix, Linux.
In microkernels, the kernel is broken down into separate proc...
Most efficient way to store thousand telephone numbers
... the end to minimize the required space.
We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how many phone numbers there are for which the binary number consisting of the first m bits is all 0, for how many phone numbers the first m bits are at most 0...01, for how man...
How to cancel a local git commit
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By the way, this is called --mixed in the manual.
– Josh Lee
Jan 31 '11 at 17:58
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Enum “Inheritance”
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This is not possible. Enums cannot inherit from other enums. In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from System.enum.
See section 8...
Make .gitignore ignore everything except a few files
...han the root dir won't be found anyway. I'm using this now (with *.pl) and all *.pl files are being ignored even though there are many in the subdirectories below the .gitignore file
– PandaWood
Nov 6 '11 at 1:44
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Setting up a deployment / build / CI cycle for PHP projects
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I've been through buildbot, CruiseControl.net, CruiseControl and Hudson. All though I really liked CruiseControl*, it was just too much of a hassle with really complex dependency cases. buildbot is not easy to set up, but it's got a nice aura (I just like python, that's all). But hudson won over t...
Changing the browser zoom level
...on-firefox browsers. Though this gives you a zoom effect, it does not actually modify the zoom value at browser level.
var currFFZoom = 1;
var currIEZoom = 100;
$('#plusBtn').on('click',function(){
if ($.browser.mozilla){
var step = 0.02;
currFFZoom += ...
How to select multiple rows filled with constants?
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SELECT 1, 2, 3
UNION ALL SELECT 4, 5, 6
UNION ALL SELECT 7, 8, 9
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Git checkout: updating paths is incompatible with switching branches
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That should be "git fetch REPOSITORY_NAME" to get all of the branches on that repository.
– Mike Thomsen
Mar 24 '10 at 22:36
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INSERT IF NOT EXISTS ELSE UPDATE?
...ement case the statement would set it to NULL and then a fresh ID would be allocated.
This approach can also be used if you want to leave particular field values alone if the row in the replacement case but set the field to NULL in the insert case.
For example, assuming you want to leave Seen alon...