Prevent certain users of email in Google apps for Education from sending to any group (including groups they are members of)


Here is the situation…

We are using google Apps for education….We have many groups in our college that include groups for teachers, technicians, admins, students, etc ….We want anyone from our domain to be able to send emails to these groups….. However there are groups with students in them and we want prevent these students from sending emails to any group (whether they are members of that group or not)…However they should be able to send emails to individual email accounts of course….

Is there a way?

Is there a way to download all resources from a Piazza class?


I am about to complete a course, for which 35+ files were uploaded to Piazza

Is there a way to download all the lecture notes and general resources, or do I need to manually download each of them?

Can I block a seller on Amazon?


I just wanted to find the cheapest matress on amazon.de. To do so, I chose the category “matress” and adusted the filter to “90×200″ (the size). Then I got this:

enter image description here

pages over pages with the same product, just minor variations, from a seller called “MetaTex”.

Is there any way I can block a seller to get relevant search results?

Duplicates files in Google Drive


I recently put all my files in Google Drive on my desktop and my laptop.

When I started syncing files, i found out there was twice as much data as it was before only to see all folders being duplicates…

I think it’s because my 2 computers sent all the files at the same time (as both folders on both computers were mirors exept for the timestamp of the files)

Is there a way to do a smart merge and remove duplicates?

gmail account recovery [duplicate]


This question already has an answer here:

Calculate time values in a single Google Spreadsheet cell


Is there a way to add two times, or durations, in one line in a Google Spreadsheet?

Something like:

=1:14:25+0:17:12 

I know that I can use the time command in-line, and that I can add times from two separate cells, but I was wondering if there was a simpler and more elegant way to add two times when entering them in the same cell.

Field names comparison using change detector transformer in FME


I have two dbf files which each have a field containing the same feature type but it may contain same or different field names. I need to compare the field names alone in the two dbf files to find out where there are differences? Whether it is possible using changedetector transformer in FME?if so,how can it be done?

Error of doing pgr_analyzeGraph


I just completed the command pgr_createTopology, but it fails to do pgr_analyzeGraph & pgr_createTopology. The error is as below: Anyone can give me an idea? Thanks

ERROR:  isring() should only be called on a LINE
CONTEXT:  SQL statement "SELECT count(*)  FROM public.fp 
                                 WHERE true   AND (true) and st_isRing(st_linemerge(the_geom))"
PL/pgSQL function pgr_analyzegraph(text,double precision,text,text,text,text,text) line 309 at EXECUTE statement

********** Error **********

ERROR: isring() should only be called on a LINE
SQL state: XX000
Context: SQL statement "SELECT count(*)  FROM public.fp 
                                 WHERE true   AND (true) and st_isRing(st_linemerge(the_geom))"
PL/pgSQL function pgr_analyzegraph(text,double precision,text,text,text,text,text) line 309 at EXECUTE statement

wms layer cant see when I zoom


enter image description hereI have read many tipps for the problem “layer bacome cloudy when zoom”, but it doesn’t work still. Where is the problem in my source?

      var wms = new OpenLayers.Layer.WMS( "Földrengések",
    'http:/....../wms',
    {
      layers: ['rengesekk'], 
      isBaseLayer: false,
      transparent: true,
      srs: "EPSG:4612",
      numZoomLevels: 12,
    },
    { singleTile: true
    });     

Controls and Map Center for OpenLayers?


I want to add more controls to myOl3ViewTemplate application. If you can help me add:

  1. draw feature
  2. delete feature
  3. zoom[center] at a certain location

I looked at app.js and tried to add more controls but I couldn’t get them to work. As for to zoom at a certain location I tried Bethlehem[South Africa] but the center goes to Congo I don’t know why because these coordinates[-28.23333,28.3] says Bethlehem[SA] .

I would like you to help me on application launch to view only South-Africa and zoom at Bethlehem.

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