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  • file content into unix variable with newlines

    - by Hugo
    I have a text file test.txt with the following content: text1 text2 And I want to assign the content of the file to a UNIX variable but when I do this: testvar=$(cat test.txt) echo $testvar the reult is: text1 text2 instead of text1 text2 Can someone suggest me a solution for this?

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  • Get class constant names in php?

    - by user151841
    I have a php class with some class constants that indicate the status of an instance. When I'm using the class, after I run some methods on it, I do some checks to make sure that the status is what I expect it to be. For instance, after calling some methods, I expect the status to be MEANINGFUL_STATUS_NAME. $objInstance->method1(); $objInstance->method2(); if ( $objInstance->status !== class::MEANINGFUL_STATUS_NAME ) { throw new Exception("Status is wrong, should not be " . class::MEANINGFUL_STATUS_NAME . "."); } However, this gives me the exception message "Status is wrong, should not be 2" when what I really want to see is "Status is wrong, should not be MEANINGFUL_STATUS_NAME" So I've lost the meaningfulness of the constant name. I was thinking of making an 'translation table' array, so I can take the constant values and translate them back into their name, but this seems cumbersome. How should I translate this back, so I get an error message that gives me a better idea of what went wrong?

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  • vim variable declaration

    - by dorelal
    I added following line of code in .vimrc let g:jslint_status = 'enabled' if exists("jslint_status") echo jstlint_status else echo 'not found' endif Error message E121: Undefined variable: jstlint_status E15: Invalid expression: jstlint_status What am I doing wrong?

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  • Rails Collection_select names

    - by Jack
    Hi, I am creating a Rails app and have added a form: <div class="field"> <%= f.label :title %><br /> <%= f.text_field :title %> </div> <div class="field"> <%= f.label :client_id %><br /> <%= collection_select(:project, :client_id, Client.all, :id, :contact_name, {:prompt => "Select a Client"}) %> </div> This currently displays the contact_name of the client. Is it possible to have it display a list of contact_names concatenated with the client_id? If so, how would I do this? Cheers

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  • Pass a variable to new page

    - by Anon
    I am trying to pass a variable from one page, load another and enter that information. something Like this: When 127.0.0.1/test.html&ID=1234 location.href = "127.0.0.1/newpage.html" if (location.href == newpage.html){ var e = document.GetElementById("Loginbx"); e.Value = ID } I don't have access to modify 127.0.0.1/test.html nor newpage.html but would like to pass variables to them from another. Is this possible?

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  • Using static variable in android

    - by michael
    Hi, In android, is it recommend to use static variable? E.g, implement a Singleton pattern in Java, I usually do: private static A the_instance; public static A getInstance() { if (the_instance == null) { the_instance = new A(); } return the_instance; } My question is when do that get free by android JVM? Thank you.

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  • Fitting place names into map shapes

    - by Old Man
    I'm drawing shapes using GDI+ using a list of lat/lon floats, and I need to place the name of the place within the borders of the polygon. Simply centering the text in the bounding rectangle doesn't work for irregular shapes. I have the text and the font so I can get the size of the rectangle that the text will need to fit in, but at that point I'm stuck. This seems like a common problem that all mapping software solves, as well as the kind of thing you would find in an algorithm or computer graphics textbook. So, given a list of floats for a polygon and a rectangle, is there a way to get the best possible point to place the text, using: 1) GDI+; 2) SQL Server Geospatial; or 3) c# code (or c, pseudocode, etc)

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  • save Date Number in PHP variable.

    - by Denoteone
    This question goes along with another one of my post that I already accepted How do I get the "date number" in php 2010-08-24 20:00:00.000 I want to assign the current date number to a variable $current_date_num so I can use it in my query to compare what is already in the database. $query ="SELECT * FROM Reservations WHERE [Room_ID] = '$field' AND [Meeting Start] > '$current_date_num' ORDER BY [Meeting Start] asc ";

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  • TERM environment variable not set

    - by rahkarp
    I'm using python to develop an app and want to view running processes.The code txt = commands.getoutput("top -d 1") print txt gives an error "TERM Environment Variable not set" Can someone tell me what this means and how to solve this

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  • How to match parameter names in an expression?

    - by burak ozdogan
    Hi, I have a set of expressions representing some formula with some parameters inside. Like: [parameter1] * [parameter2] * [multiplier] And many others like this. I want to use a regular expression so that I can get a list of strings (List<string>) which will have the following inside: [paramter1] [paramter2] [multiplier] I am not using regular expressions so often; if you have already used something like this I would appreciate if you can share. Thanks!

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  • Use the keyword class as a variable name in C++

    - by Leif Andersen
    I am having trouble writing C++ code that uses a header file designed for a C file. In particular, the header file used a variable name called class: int BPY_class_validate(const char *class_type, PyObject *class, PyObject *base_class, BPY_class_attr_check* class_attrs, PyObject **py_class_attrs); This works in C as class isn't taken as a keyword, but in C++, class is. So is there anyway I can #include this header file into a c++ file, or am I out of luck? Thank you.

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  • Bash - replacing targeted files with a specific file, whitespace in directory names

    - by Dispelwolf
    I have a large directory tree of files, and am using the following script to list and replace a searched-for name with a specific file. Problem is, I don't know how to write the createList() for-loop correctly to account for whitespace in a directory name. If all directories don't have spaces, it works fine. The output is a list of files, and then a list of "cp" commands, but reports directories with spaces in them as individual dirs. aindex=1 files=( null ) [ $# -eq 0 ] && { echo "Usage: $0 filename" ; exit 500; } createList(){ f=$(find . -iname "search.file" -print) for i in $f do files[$aindex]=$(echo "${i}") aindex=$( expr $aindex + 1 ) done } writeList() { for (( i=1; i<$aindex; i++ )) do echo "#$i : ${files[$i]}" done for (( i=1; i<$aindex; i++ )) do echo "/usr/bin/cp /cygdrive/c/testscript/TheCorrectFile.file ${files[$filenumber]}" done } createList writeList

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  • Extern variable at specific address

    - by AndiNo
    Using C++ and GCC, can I declare an extern variable that uses a specific address in memory? Something like int key attribute((__at(0x9000))); AFAIK this specific option only works on embedded systems. If there is such an option for use on the x86 platform, how can I use it?

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  • Linking a Text Box to a variable?

    - by cam
    I would like to have direct access to the text inside a textbox on another form, so I added a public variable _txt to a form and added an event like so: private void richTextBox1_TextChanged(object sender, EventArgs e) { _txt = richTextBox1.Text; } But the form is loaded like this: public FrmTextChild(string text) { InitializeComponent(); _txt = text; richTextBox1.Text = _txt; Text = "Untitled.txt"; } Is there a better way to directly link the two?

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  • What is the '@(' doing in this Perl code?

    - by Anthony Veckey
    In this code snippet: use strict; use warnings; use Data::Dumper; my $r = [qw(testing this thing)]; print Dumper($r); foreach my $row (@({$r}) { print "$row\n"; $row .= 'mod'; } print Dumper($r); print Dumper(@({$r}); I figured out that the '(' after the '@' in the foreach is causing this not to loop correctly. I have no idea why this code even works as there is no ending parenthesis. What is this doing? It looks to be creating a new variable on the fly, but shouldn't 'use strict' have fired or something? Please help explain what that '@(' is doing and why it still runs without an ending parenthesis.

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  • Problem with index server talking to remote server names with dashes or dots in them

    - by Aim Kai
    Hi I am having a problem, accessing a remote index server catalog. The name of the server has - in it, so i put the index catalog name as: i.e num.num.num.num\name of catalog or an-example-server I get the following error when using an ole data connection to pull results from the index: "Format of the initialization string does not conform to specification starting at index 39" I tried putting single quotes and &qoute; with no luck - anyone have idea? PS. This Microsoft Index Server Question!

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