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How do I analyze a program's core dump file with GDB when it has command-line parameters?
...ddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int myfunc(int i) {
*(int*)(NULL) = i; /* line 7 */
return i - 1;
}
int main(int argc, char **argv) {
/* Setup some memory. */
char data_ptr[] = "string in data segment";
char *mmap_ptr;
...
Client to send SOAP request and receive response
...le.WaitOne();
// get the response from the completed web request.
string soapResult;
using (WebResponse webResponse = webRequest.EndGetResponse(asyncResult))
{
using (StreamReader rd = new StreamReader(webResponse.GetResponseStream()))
{
soapResult = rd.R...
How can I cast int to enum?
...
From an int:
YourEnum foo = (YourEnum)yourInt;
From a string:
YourEnum foo = (YourEnum) Enum.Parse(typeof(YourEnum), yourString);
// The foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) ...
What is the function of the push / pop instructions used on registers in x86 assembly?
...e terms. For read-only locals spilled to the stack, the main cost is just extra load uops (sometimes memory operands, sometimes with separate mov loads). For spilled non-const variables, the store-forwarding round trips are a lot of extra latency (an extra ~5c vs. forwarding directly, and the stor...
UITableView with fixed section headers
...ew and change it is style from the right Side/ component menu)
if you have extra components such as custom views or etc. please check the table view's margins to create appropriate design. (such as height of header for sections & height of cell at index path, sections)
...
How to redirect to a dynamic login URL in ASP.NET MVC
...site which hosts pages for clients. The first segment of the URL will be a string which identifies the client, defined in Global.asax using the following URL routing scheme:
...
What exactly does git's “rebase --preserve-merges” do (and why?)
...e has to define what it means to replay a merge commit, and deal with some extra wrinkles
The most interesting part, conceptually, is perhaps in picking what the new commit's merge parents should be.
Replaying merge commits also require explicitly checking out particular commits (git checkout <...
How to create a cron job using Bash automatically without the interactive editor?
...ab -l | grep -v -F "$croncmd" ) | crontab -
Notes:
grep -F matches the string literally, as we do not want to interpret it as a regular expression
We also ignore the time scheduling and only look for the command. This way; the schedule can be changed without the risk of adding a new line to the ...
Read an Excel file directly from a R script
...d to look at your numbers" ... what is the issue with "-" fields? does na.strings="-" address the problem? How many of these issues are generic and how many of them (e.g. numeric fields with commas) can be addressed with other tools such as XLConnect ...?
– Ben Bolker
...
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
...
@AlexanderSupertramp, because of string interning.
– Chris Rico
Feb 1 '15 at 9:34
...