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Getting started with F# [closed]
...t F# Tools for Visual Studio 2012 Express for Web (free 2012 tools release info)
Download the F# November 2010 CTP (free 2010 tools release info)
Learn F# via MSDN resources
The F# 2.0 Language Specification (PDF) (F# 3.0 spec to appear)
MSDN docs for F# (language reference, library reference)
F# P...
Sequence contains no elements?
...
.FirstOrDefault()
because if in the first row of the result there is no info this instruction goes to the default info.
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R script line numbers at error?
...a script as you want on an error condition, so you should just decide what information you need for debugging.
Otherwise, if there are specific areas you're concerned about (e.g. connecting to a database), then wrap them in a tryCatch() function.
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Tomcat: How to find out running tomcat version
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if you can upload a JSP file you may print out some info like in this example: bestdesigns.co.in/blog/check-jsp-tomcat-version
Save this code into a file called tomcat_version.jsp:
Tomcat Version : <%= application.getServerInfo() %><br>
Servlet Specif...
How do I set the version information for an existing .exe, .dll?
As part of our build process I need to set the version information for all of our compiled binaries. Some of the binaries already have version information (added at compile time) and some do not.
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filename and line number of python script
...candre, the answer is:
#python3
from inspect import currentframe, getframeinfo
frameinfo = getframeinfo(currentframe())
print(frameinfo.filename, frameinfo.lineno)
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Row Offset in SQL Server
...? its not eficient for cpu and memory of server.
– e-info128
Jul 15 '13 at 14:24
3
Please note th...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...that you can use for securing your communications for when the credit card info is transmitted over public networks. There are plenty of vendors, but my rule of thumb is to pick one that is a brand name in a way. The better they are known, the better your customer has probably heard of them.
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How to automatically generate a stacktrace when my program crashes
...any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in the libc manual.
Here's an example program that installs a SIGSEGV handler and prints a stacktrace to stderr ...
Check whether or not the current thread is the main thread
...interested in, and when your program reaches it, call this:
(lldb) thread info
This will display information about the thread you're on:
(lldb) thread info
thread #1: tid = 0xe8ad0, 0x00000001083515a0 MyApp`MyApp.ViewController.sliderMoved (sender=0x00007fd221486340, self=0x00007fd22161c1a0)(Obje...