How can I keep only the first five lines in a Perl scalar?
- by Mr. Vile
From any kind of scalar, what regex could I use to match the first five lines of it and discard the rest?
Search Results
Search found 1541 results on 62 pages for 'mr hell'.
Page 26/62 | < Previous Page | 22 23 24 25 26 27 28 29 30 31 32 33 | Next Page >
-
-
What are the factors in choosing a specific Database Management System?
- by mr.bio
Why are there so many Database management systems? I am not an DB expert and I've never thought about using another Database other than mySQL. Programming languages offer different paradigms, so it makes sense to choose a specific language for your purpose. Question What are the factors in choosing a specific Database management system ?Read the article
-
On Solaris, what is the difference between cut and gcut?
- by Chris J
I recently came across this crazy script bug on one of my Solaris machines. I found that cut on Solaris skips lines from the files that it processes (or at least very large ones - 800 MB in my case). > cut -f 1 test.tsv | wc -l 457030 > gcut -f 1 test.tsv | wc -l 840571 > cut -f 1 test.tsv > temp_cut_1.txt > gcut -f 1 test.tsv…Read the article
-
Get a debian directory out of a source package
- by Mr.B
I'm trying to decompile a source package because I want to look at the preist en prerm files. Those files are normally in the debian folder but when I extract the source package I don't find any debian folder. Is there a simple command or other way to get the debian folder? Thanks in advanceRead the article
-
How to draw transparent image with html5 canvas element
- by Mr Bell
I am targeting google chrome. Is it possible to draw transparent images on a canvas? By transparent I mean the drawing the entire image at something like 50% opacity.Read the article
-
What does the C# operator => mean?
- by Mr. Mark
Answers to a recent post (Any chances to imitate times() Ruby method in C#?) use the = operator in the usage examples. What does this operator do? I can't locate it in my C# book, and it is hard to search for symbols like this online. (I couldn't find it.)Read the article
-
How to use a delay in a swing application
- by M.R.
I am building a swing application. At some point, I have to start an "animation": ... jpanel1.setBackground(Color.Black); Delay(milli) jpanel1.setBackground(Color.White); ... and so on. The gui itself and all the logic behind it work.It is just this time depended color-changing that does not. I have read, that swing is not thread safe,…Read the article
-
Flex XML get Value ( Where is the mistake? )
- by mr.bio
Hi everyone , i want to acces an Element of an XML. But somehow. i get null as the Result and that does not make any sense to me. Can you find the mistake ?Read the article
-
What is wrong with this C++ Code ?
- by mr.bio
Hi .. i am a beginner and i have a problem : this code doesnt compile : main.cpp: #include <stdlib.h> #include "readdir.h" #include "mysql.h" #include "readimage.h" int main(int argc, char** argv) { if (argc>1){ readdir(argv[1]); // test(); return (EXIT_SUCCESS); } std::cout << "Bitte Pfad angeben !"…Read the article
-
GNUPlot: plot different ranges with different styles
- by Mr. Shickadance
Hello all, I know this should be pretty simple, but I haven't been able to find a similar example. I need to plot different ranges of a datafile differently, but on the same graph. For instance, say my datafile represents a function with x and y values. I want to plot the first N values using a style like lines, and then the next M values…Read the article
-
UITableView cell text is cut off.
- by Mr. McPepperNuts
I am having a problem with the UITableview cell cutting off strings whose characters are more than 12 chars. Any ideas why this would occur? I have not made a custom cell at all. I cannot find any solution to this problem through a Google search. Any ideas?Read the article
-
My PHP code is commented out
- by Mr A
Before everything happened, I was running this wordpress install for developing themes using xampp. But I decided to upgrade the memory of this machine from 2GB to 6GB since I need extra room for applications. I back-up my code in a separate partition by copying them. Since I have a 32bit OS at the time, I format the computer and installed a…Read the article
-
Objective-c: Finding index an object exists at.
- by Mr. McPepperNuts
[arrayName containsObject:myObject] Is there any way to find the index where myObject exists in arrayName?Read the article
-
How do I get the current Application Name (in terms of IIS) in a classic asp Web application
- by Mr AH
I have a classic asp application which retrieves the current application name and sets an Application variable containing that name. This name is important (I wont go into why) and is essentially the friendly name in IIS. The problem is, the implementation used to get this name is flawed, it a) assumes the home directory contains the string…Read the article
-
CakePHP Webroot .htaccess
- by Mr A
Normally one would have a webroot that looks like this: /www/ | +--index.php | +-- js/ | | | +-- xyz.js | +-- css/ | | | +--xyz.css | +---etc..... With my setup, it is going to be most beneficial for me to move everything into a common subfolder, leaving the index.php of the Cake app in the root. I.e: …Read the article
-
Calling function with 1 paremeter @ selector.
- by Mr. McPepperNuts
I want to call this guy -(void)addFavorite:(NSString *)favoriteToAdd at, @selector here action:@selector([addFavorite favoriteToAdd:@"string"])]; But I keep getting syntax error no matter which way I write it. Can someone point out the appropriate way to call this function? When it had no parameter and was "addFavorite," it worked…Read the article
-
Cross-domain iframe communication in Opera
- by Mr Period
Hi, I have need to communicate between two iframes of the same domain, which live inside a parent page on a different domain that I have no control over. This is a Facebook app and the basic layout is this apps.facebook.com/myapp L iframe1 (src='mysite.com/foo') L iframe2 (src='mysite.com/bar') I need frame1 to talk…Read the article
-
What are the parts that a good C++ project should contain? (Docs, Makefile, Tests etc...)
- by mr.bio
Hi there , i am writing my bachelor thesis and there is some C++ code attached to it. I want to have a nice clean Project. So what should be in it ? I think : Documentation in html ( generated with Doxygen) README File Makefile ( which make ? CMake ? ) Unit-Tests ( which unit test framework? ) Copyright Text ? ... Did i miss…Read the article
-
Access Element on set ?
- by mr.bio
How do i get access to an element in a set ? vector<int> myvec (4,100); int first = myvec.at(0); set<int> myset; myset.insert(100); int setint = ???? Can anybody help ?Read the article
-
How can I keep the the logic to translate a ViewModel's values to a Where clause to apply to a linq query out of My Controller?
- by Mr. Manager
This same problem keeps cropping up. I have a viewModel that doesn't have any persistent backing. It is just a ViewModel to generate a search input form. I want to build a large where clause from the values the user entered. If the Action Accepts as a parameter SearchViewModel How do I do this without passing my viewModel to my…Read the article
-
Delete my application programmatically (Android)
- by Vaghela M.R - Android Devloper
I want to uninstall my application on button click. For this I am using following code. Uri packageURI = Uri.parse("package:"+packageName); Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI); startActivity(uninstallIntent); It gives me result, but I want to delete directly without click on "Ok" button of …Read the article
-
What is the term(s) used to describe programming language syntax?
- by Mr Roys
Is there an exact/correct term to describe this difference between the syntax/constructs of programming langauges e.g VB6 with its (if ... else ... endif) and C# with its curly braces for conditional statements. I'm using VB6 syntax and C# as examples since I'm more familiar with their syntax. For example, Visual Basic 6's…Read the article
-
Why (and when to) use stored procedures?
- by mr.b
What would be appropriate scenario when stored procedures should be used? I stumbled upon implementation where almost whole data manipulation was handled by store procedures, even simplest form of INSERT/DELETE statements were wrapped and used via SP's. So, what's the rationale for using stored procedures in general? …Read the article
-
Set PdfPTable columns width iText
- by Mr CooL
I've a PdfPTable created in my Java program, Is there any way to actually set the width of specific column for the PdfPTable????? For instance, First column to be 5% width, second column to be 20% and etc. Urgent help please if anyone knows the way. Thanks in advance.Read the article
-
Can I set ignore_dup_key on for a primary key?
- by Mr. Flibble
I have a two-column primary key on a table. I have attempted to alter it to set the ignore_dup_key to on with this command: ALTER INDEX PK_mypk on MyTable SET (IGNORE_DUP_KEY = ON); But I get this error: Cannot use index option ignore_dup_key to alter index 'PK_mypk' as it enforces a primary or unique constraint. …Read the article
