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• Gnome/Nautilus does not remember individual folder's size/position?

  - by RaiGal

  I am using ubuntu 11.04 and I have noticed that Gnome/Nautilus remembers a "global" setting for size/position using the last window open instead of remembering an individual size/position for each folder. Also, this applies for some applications as well. I find this a real productivity killer and I think its one of the most basic features of a window manager. Funny thing is, that windows had this feature for a long time now. I have tried devilspie but I find it would be really time wasting to configure every folder that way. Is there any fix for this issue, if not what window manager would you suggest me? Thank you!

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• PHP 5.5 sort en Alpha1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe

  PHP 5.5 sort en Alpha 1 et introduit les générateurs, le block Finally ainsi qu'une API de hachage des mots de passe Le cycle de publication de PHP 5.5.0 vient officiellement de débuter. Les développeurs de la plateforme Web ont publié la première version Alpha de PHP 5.5.0. PHP 5.5.0 apporte des nouvelles fonctionnalités majeures au langage, dont le support des générateurs. Les générateurs sont un moyen simple et puissant de créer des itérateurs. L'introduction des générateurs dans PHP va permettre aux développeurs d'implémenter des itérateurs sans avoir à écrire beaucoup de code décoratif. Le support des générateurs s'accompagne de l'introduction du nouveau mot c...

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• How can I programmatically block user input for a given time?

  - by black_puppydog

  As a person working in computer science working offline to avoid facebook and thelike is not always (meaning hardly ever) possible for me since I mostly have to be online to work. I have tried leechblock and similar things but the problem becomes that at some point I start making systems for myself to hack, which is kind of pointless if oyu have root. I would very much like to try out the method described here. (Short version: reboot your PC every time finish a task or get bored with it) Unlike for the author of this blog my work is mainly done not in screen sessions but in IDEs ans other not-so-fast-to-start-up stuff, meaning a full reboot including loading all my programs will take its time. So, the question is: How can I block all user input and preferrably blank the screen for a given amount of time? The idea would then be to have a keyboard shortcut to activate the script/program (which would probably also have to have root i guess?)

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• Possible to pass pygame data to memory map block?

  - by toozie21

  I am building a matrix out of addressable pixels and it will be run by a Pi (over the ethernet bus). The matrix will be 75 pixels wide and 20 pixels tall. As a side project, I thought it would be neat to run pong on it. I've seen some python based pong tutorials for Pi, but the problem is that they want to pass the data out to a screen via pygame.display function. I have access to pass pixel information using a memory map block, so is there anyway to do that with pygame instead of passing it out the video port? In case anyone is curious, this was the pong tutorial I was looking at: Pong Tutorial

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• What Happens In C# If A Finally Block Throws An Exception?

  - by ChloeRadshaw

  Just curious about this If a finally block throws an exception what exactly happens

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• Why is simulink data type conversion block altering the data when it should be typecasting?

  - by Nick

  I am attempting to typecast some data from int32 to single. I first tried using the 'Data Type Conversion' block with single output data type and the Stored Integer option. However, I found that the datatype conversion block is not typecasting the data the way I expect it to. Am I using the block incorrectly, or is it failing to work as it should? temp1 (pre conversion): uint32: 1405695244 single: 1728356810752.000000 binary: 01010011110010010011010100001100 temp2 (post conversion): uint32: 1319604842 single: 1405695232.000000 binary: 01001110101001111001001001101010 By the way, I have gotten around the issue by using an embedded Matlab block to perform the typecasting operation.

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• How is destroying local variables when a block is exited normally called in C++?

  - by sharptooth

  C++ automagically calls destructors of all local variables in the block in reverse order regardless of whether the block is exited normally (control falls through) or an exception is thrown. Looks like the term stack unwinding only applies to the latter. How is the former process (the normal exit of the block) called in terms of destroying local variables?

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• Is there any tool which can rearrange the css based on same type selector?

  - by metal-gear-solid

  I've big css where selector for same things are on different place. Is there any tool which can rearrange the css based on same type selector? This is just example. #main h2 { font-size: 2em; } #sidebar h3 { font-size: 2em; } #main h1 { font-size: 3em; } #sidebar h4 { font-size: 1.6em; } #main #box h2 { font-size: 2em; } #sidebar ul li { font-size: 1em; } it should arranged like this #main h1 { font-size: 3em; } #main h2 { font-size: 2em; } #main #box h2 { font-size: 2em; } #sidebar h3 { font-size: 2em; } #sidebar h4 { font-size: 1.6em; } #sidebar ul li { font-size: 1em; } if parent selector is same then all should be at same place.

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• kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) on live cd

  - by sobox studio

  I'm trying to install ubunutu 12.04 on my 2005 PowerMac G5. I've burnt ubuntu-12.04-desktop-powerpc.iso. I try to boot from the live cd. I hit 'enter' to load the live environment. The kernel seems to be fine but then I get this: kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) Then it says rebooting in 180........ and hangs. I can't do anything. Any help would be appreciated. Thank you.

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• In Drupal, can you control block display according to e.g. number of URL parts?

  - by james6848

  I'm having a little trouble controlling page-specific block display in Drupal... My URL's will be of this typical structure: http://www.mysite.co.uk/section-name/sub-page/sub-sub-page The 'section-name' will effectively be fixed, but there will be many sub-pages (far too many to explicitly reference). I need to somehow control block display as follows: One block will show on all pages where URL contains 'section-name/sub-page' but not on pages 'section-name/sub-page/sub-sub-page' Conversely, another block will show on all pages where URL contains 'section-name/sub-page/sub-sub-page' but not on pages 'section-name/sub-page' My only idea is to do a bit of PHP that looks for the string 'section-name' and then also counts URL parts (or even the number of slashes). Not sure how to implement that though :) Your help would be appreciated!

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• Is a blob more efficient than a varchar for data that can be ANY size?

  - by BillyNair

  When setting up a database I want to use the most efficient data type for potentially fairly long data. Currently my project is to store song titles and thoughts pertaining to that song. Some titles might be 5 characters or longer than 100 characters and the thoughts could run pretty long. Is it more efficient to use a varchar set to 8000 or to use a blob? Is using a blob the same as a varchar, in that there is a set size it is allocated regardless of what it holds? or is it just a pointer and it doesn't really use much space on the table? Is there a certain set size of a blob in KB or is it expandable?

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• Why can't i define recursive variable in code block?

  - by senia

  Why can't i define a variable recursively in a code block? scala> { | val fibs: Stream[Int] = 1 #:: fibs.scanLeft(1){_ + _} | } <console>:9: error: forward reference extends over definition of value fibs val fibs: Stream[Int] = 1 #:: fibs.scanLeft(1){_ + _} ^ scala> val fibs: Stream[Int] = 1 #:: fibs.scanLeft(1){_ + _} fibs: Stream[Int] = Stream(1, ?) lazy keyword solves this problem, but i can't understand why it works without a code block but throws a compilation error in a code block.

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• Single statement if block - braces or no? [on hold]

  - by Zannjaminderson

  Which is better/more generally accepted? This: if(condition) { statement; } Or: if(condition) statement; I tend to prefer the first one, because I think it makes it easier to tell what actually belongs in the if block, it saves others from adding the braces later (or creating a bug by forgetting to), and it makes all your if statements uniform instead of some with braces and some without. The second one, however, is still syntactically correct and definitely more compact. I'm curious to see which is more generally preferred by others though.

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• How can I block websites in Mac OS X Server 10.6?

  - by Orlando

  I want to block sites on clients computers. I have a Mac OS X Server 10.6 and my clients are using Mac OS and Windows. I have used parental control in the Mac OS X Server before, but it only works for Mac clients. What can I use to block sites in all my clients?

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• Why do Finder and du report different file size?

  - by flipdoubt

  I am writing a geektool 3 script to show the size of a particular VMware Fusion virtual machine. Get Info in Finder says the file is "52.91 GB". I run the following du command to get the file size: > du -hs ~/Documents/Virtual\ Machines.localized/MY-PRECIOUS-7.vmwarevm | awk '{print $1}' This du -hs command returns the file size as "49G". What accounts for the difference from what Finder reports? Alternatively, I have tried replacing the -s option with the -d option like so: du -hd ~/Documents/Virtual\ Machines.localized/MY-PRECIOUS-7.vmwarevm | awk '{print $1}' This du -hd command returns the file size as "59G". What accounts for the difference between Finder, du -hd, and du -hs? Also, this du -hd command produces no output in geektool 3. What gives?

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• Is there any USB2.0 data transfer chunk size limit?

  - by goldenmean

  With one read() or write() at a time, can we increase the bulk data size over USB interface? For example, I want to transfer chunk of 1024 (1K) bytes data and if the device has limitations of only 64bytes, is there any way I can increase the packet size for read() and write() system call over USB? Is there any limitation on size of data transfer over USB in a host-device environment?

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• Exchange 2003: Unrestrict send mail size for specific users / groups?

  - by Kip

  Good (insert appropriate time of day here) SF folks, I have the following situation; We have a message size limit for sending set at 20mb in Global Settings | Message Delivery. We have a limit of 50mb set at an external 3rd party spam vendor. I need to enable some users to be able to send messages that are upwards of around 40mb in size. However, when I set the Sending Message Size Maximum to 50mb within the delivery restrictions of a users exchange properties, it would appear that this does not win. It seems that the lowest value wins for this situation. I need to be able to allow certain users to send messages larger than the 20mb limit, but to have everyone else have the 20mb limit in place. How can I do this? The only way I could see was to raise the limit set in Global Settings | Message Delivery to 50mb and then set everyone elses (bar the people who need increased limit) delivery restrictions max size down. But I cannot see an easy way to do the last bit hence my post here looking for advice. There are valid reasons we need to send mail this size and whilst we are putting together other mechanisms for delivery this data, we still need to get this put in place. Thanks in advance Kip

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• Compiling the Linux kernel, how much size is needed?

  - by ant2009

  I have downloaded the newest most stable Linux kernel, 2.6.33.2. I thought I would test this using VirtualBox. So I create a dynamically sized harddisk of 4 GB. And installed CentOS 5.3 with just the minimum packages. I setup the make menuconfig with just the default settings. After that I ran make and got the following error: net/bluetooth/hci_sysfs.o: final close failed: No space left on device make[2]: *** [net/bluetooth/hci_sysfs.o] Error 1 make[1]: *** [net/bluetooth] Error 2 make: *** [net] Error 2 The amount of space I have left is: # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 3.3G 3.3G 0 100% / /dev/hda1 99M 12M 82M 13% /boot tmpfs 125M 0 125M 0% /dev/shm My virtual size is 4 GB, but the actual size is 3.5 GB. $ ls -hl total 7.5G -rw-------. 1 root root 3.5G 2010-04-13 14:08 LFS.vdi How much size should I give when compiling and installing a Linux kernel? Are there any guidelines to follow when doing this? This is my first time, so just experimenting with this.

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• What is the best file system and allocation size for a USB flash drive?

  - by e-t172

  I'm considering using my 4 GB Kingston DataTraveler USB stick to store my Firefox and Thunderbird profiles for my laptop and desktop PCs. I want to maximize performance when using Firefox. The question is: what is the best file system and allocation size for the fastest Firefox profile operation on a USB flash drive? I'm using Windows 7 on both machines and I don't care about compatibility or the drive's lifetime. I just want to maximize performance. I could even use ext2 with the Ext2 IFS driver if that means it'll be faster. I'm assuming (perhaps I'm wrong) that putting a Firefox profile on a USB stick would be a "lots of small files" usage. In that case, it seems that NTFS would perform best, but I'm not sure. Besides I found nothing regarding the best allocation size to use. Considering that the default allocation size is designed for hard drives (which have different characteristics), I'm assuming that the default allocation size is not the best.

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• Need data on disk drive management by OS: getting base I/O unit size, "sync" option, Direct Memory A

  - by Richard T

  Hello All, I want to ensure I have done all I can to configure a system's disks for serious database use. The three areas I know of (any others?) to be concerned about are: I/O size: the database engine and disk's native size should either match, or the database's native I/O size should be a multiple of the disk's native I/O size. Disks that are capable of Direct Memory Access (eg. IDE) should be configured for it. When a disk says it has written data persistently, it must be so! No keeping it in cache and lying about it. I have been looking for information on how to ensure these are so for CENTOS and Ubuntu, but can't seem to find anything at all! I want to be able to check these things and change them if needed. Any and all input appreciated.

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• Is there a way to modify the default size of a new side note in OneNote 2010?

  - by user1202747

  I am a fan of OneNote, but there is one aspect of it that makes it less useful than it could be. When I make a new side note (i.e. by clicking the OneNote icon in the system tray or pressing WindowsKey + N), the size of the window of the resulting note that opens is far too large. It probably takes up 20% of my reasonably high-res screen by default. I have to click and drag to resize it, and that's a waste of my time. So, I have a two part question: Is there a way of modifying some settings somewhere (perhaps in the registry?) so that the default window size of a new side note is smaller than the default? I would prefer something more in line with the size of a new "sticky" note in OS X. If not, does anyone know of a fast way to shrink the size of a window using the keyboard? I'd appreciate any advice that anyone can give. Thanks.

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• What is a good firewall for windows that can block packets based on tcp flags?

  - by LoudNPossiblyRight

  I need to find a good firewall for windows that i can use to block packets based on their tcp flags. In this case for example, i need to block incoming FIN packets. Does anyone have a firewall to suggest? Thanks.

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• What's the easiest way to allow Exchange 2003 remote (no MSO client) users check their Mailbox size?

  - by Myrddin Emrys

  We are migrating from Exchange 2003 with no quota settings to Exchange 2010 with limited mailbox sizes. We are trying to get users to clean their mailboxes prior to the move to reduce the transfer load, as well as to comply with new quotas on the 2010 system. But many users access their mail through webmail only. I cannot see a way for users to access their mail store size in this manner. Has anyone else run into this problem? Is there a good way to easily let users check their own mailbox size? The only thing I've come up with as a workaround is a report that IT generates and mail-merge it out to users daily with their current mailbox size. This is cumbersome and time consuming compared to a way for them to check their own mailbox size however.

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• Is there a way to get the size of Outlook Calendar meeting items?

  - by bethlakshmi

  In our Exchange environment, our company caps the size of an Exchange account at a certain size. That size is the sum of all the exchange related stuff stored on the server - includign both the Inbox and the Calendar. I can tell with the Mailbox properties, Folder Size... window that my Calendar is a good 50% of my account's footprint. Is there any way to get a more detailed view of what meetings in the Calendar are taking up the space? Given the general pattern of incoming mail, it's my belief that 2-5 meetings are responsible for 75% of the memory consumption... I just need to find which meetings are the problem... and with my current calendar, it's a bit like finding a needle in a haystack. Anyone got a trick for this?

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• How to properly shrink a disk size of a server that is being backed up off-site?

  - by JKM

  We have a Virtual machine (lets call this one source) that is being hosted locally with a 1TB disk space (that's how big the virtual disk is) and it has been replicated remotely via Veeam to an off-site server (lets call this clone). However, there has been some server configuration changes that has made source not require as much disk space. I am contemplating shrinking the disk size of source, or using the standalone converter to create a new image with a much smaller disk size requirement (about 300GB). The reason behind this is to lessen the time required for the "Discovering replica VM" step during the replication process. My question is what happens to clone when the replication job is run? Do I need to redo the replication/set up a new backup to create an initial seed for source? Will the job automatically pick up that the disk size has shank and adjust the disk size of clone appropriately? What is the best method for accomplishing this?

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