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Mac Forum / Applications / Mac Applications / July 2008iCab and caches and home server
Running a home server I have noticed that iCab (but not Safari) fails to load recent changes to linked CSS files. I have the prefs set rationally and as recommended by iCab "Load files from best source" which depends on the server notifying the browser that there has been an update. The server (that comes with OS X) obviously does the job well for HTML files because, for example, inline CSS instructions are immediately implemented. Not quite sure if this is an iCab bottleneck or a server one, is there some config setting for the home server to tell browsers that hey, the css file has changed. Beyond my pay grade to know which or how to improve situation. I know I can set iCab to always get from the web rather than cache, that is a fix but with some downside as you will appreciate.  Signaturedorayme > Running a home server I have noticed that iCab (but not Safari) fails to > load recent changes to linked CSS files. I have the prefs set rationally In case you're using MacOSX 10.5.x, then this issue is caused by a bug of "Leopard". Deleting the Web Cache of iCab should fix this problem for a while. SignatureAlexander > > Running a home server I have noticed that iCab (but not Safari) fails to > > load recent changes to linked CSS files. I have the prefs set rationally > > In case you're using MacOSX 10.5.x, then this issue is caused by a bug > of "Leopard". Deleting the Web Cache of iCab should fix this problem for > a while. No, I have been using Tiger 10.4.10 You know, Alexander, this is a problem I think I have had for a very long time with iCab, from many versions back. It is not the end of the world but I am curious as to why Safari detects it so quickly but not iCab. I will make some further tests with other browsers. I have no idea how Safari always seems to know the css has been changed. Be nice if one could set prefs to cache images only? They are the big hog. Signaturedorayme In article <doraymeRidThis-22CC44.22084521062008@news-vip.optusnet.com.au>, > > > Running a home server I have noticed that iCab (but not Safari) fails to > > > load recent changes to linked CSS files. I have the prefs set rationally [quoted text clipped - 7 lines] > You know, Alexander, this is a problem I think I have had for a very > long time with iCab, from many versions back. Confirmed [Mac OS X 10.4.11]. This was introduced in iCab 4. The only way to get it to see that the server's external CSS file is newer than the cached one is to Shift-click the reload button (Cmd-Shift-R still does nothing). There's some evidence that this is not a network issue, as getting iCab 4 to apply certain settings changes, like en/disabling javascript or plugins or adding/changing filters, also requires a Shift-click on the Reload button. For general browsing this might not be a big issue, but when you're developing a site it can get quite annoying. Perhaps it would help if these cache options would be available through the Filter Manager, so you can use a different cache settings for sites you're developing. (I rely on the Filter Manager to ensure that my user CSS is disabled on sites I develop, for instance). [...] > I have no idea how Safari always seems to know the css has been changed. Safari provides far fewer configuration options. It probably simply behaves more like iCab's "always load files from the web" cache option. SignatureSander Tekelenburg, <http://www.euronet.nl/~tekelenb/> Mac user: "Macs only have 40 viruses, tops!" PC user: "SEE! Not even the virus writers support Macs!" > In article > <doraymeRidThis-22CC44.22084521062008@news-vip.optusnet.com.au>, [quoted text clipped - 32 lines] > Safari provides far fewer configuration options. It probably simply > behaves more like iCab's "always load files from the web" cache option. Thanks for this info, if it arises again I will try your keystroke suggestions. For some reason, now I return to this issue, I cannot reproduce the trouble! When viewing a site on my home server, changing some heading CSS <h1>...</h2> in a linked CSS sheet was immediate on reload, iCab set for load files from 'best source' and use caches ticked. Signaturedorayme > In article > <doraymeRidThis-22CC44.22084521062008@news-vip.optusnet.com.au>, [... prefs->Caches: "always load from 'best' source" enabled] > > > > Running a home server I have noticed that iCab (but not Safari) fails to > > > > load recent changes to linked CSS files. I have the prefs set rationally [...] > Confirmed [Mac OS X 10.4.11]. This was introduced in iCab 4. The only > way to get it to see that the server's external CSS file is newer than > the cached one is to Shift-click the reload button (Cmd-Shift-R still > does nothing). I think I may have found the problem. Cmd-r (and its equivalent Navigate->Reload) does not load the changed CSS file. But the Reload button does. (No Shift key required at all. My mistake.) Still looks like a bug to me. The Reload button should not behave different from Cmd-R. > There's some evidence that this is not a network issue, > as getting iCab 4 to apply certain settings changes, like en/disabling > javascript or plugins or adding/changing filters, also requires a > Shift-click on the Reload button. Same thing here. Getting iCab to apply a toggle of javascript/plug-ins/the Filter Manager (and perhaps other settings) requires clicking the Toolbar's Reload button. Cmd-r reloads but does not apply the changed settings. Alexander, dorayme, can you reproduce this? SignatureSander Tekelenburg, <http://www.euronet.nl/~tekelenb/> Mac user: "Macs only have 40 viruses, tops!" PC user: "SEE! Not even the virus writers support Macs!" > I think I may have found the problem. Cmd-r (and its equivalent > Navigate->Reload) does not load the changed CSS file. But the Reload > button does. (No Shift key required at all. My mistake.) > > Still looks like a bug to me. The Reload button should not behave > different from Cmd-R. I'm afraid I can't confirm this at the moment, both command R and reload button update the changes I made to a linked css file on my machine immediately using either home server or direct 'finder to browser'. Looks like it is more complicated. Signaturedorayme In article <doraymeRidThis-9C0C94.08360510072008@news-vip.optusnet.com.au>, [...] > > Cmd-r (and its equivalent > > Navigate->Reload) does not load the changed CSS file. But the Reload > > button does. [...] > > I'm afraid I can't confirm this at the moment Alexander found the bug, in WebKit apparently, and fixed it in iCab. (I imagine it'll be available in the next public version.) > , both command R and reload > button update the changes I made to a linked css file on my machine > immediately using either home server or direct 'finder to browser'. > > Looks like it is more complicated. It turned out the bug only shows when the web page has focus (as opposed to for instance the Toolbar). Otherwise it behaves as it should. Probably that explains your findings. (If not, it must be even more complicated... :)) SignatureSander Tekelenburg, <http://www.euronet.nl/~tekelenb/> Mac user: "Macs only have 40 viruses, tops!" PC user: "SEE! Not even the virus writers support Macs!" > In article > <doraymeRidThis-9C0C94.08360510072008@news-vip.optusnet.com.au>, [quoted text clipped - 20 lines] > Probably that explains your findings. (If not, it must be even more > complicated... :)) Thanks for looking into this. And Alexander too, of course. As you say, the benefit should appear in next update. Signaturedorayme |
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