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Creating a daemon in Linux
...#include <sys/stat.h>
#include <syslog.h>
static void skeleton_daemon()
{
pid_t pid;
/* Fork off the parent process */
pid = fork();
/* An error occurred */
if (pid < 0)
exit(EXIT_FAILURE);
/* Success: Let the parent terminate */
if (pid > 0)...
How to list all tags along with the full message in git?
...ould be helpful here. Am I missing something?
– still_dreaming_1
Sep 23 '14 at 15:03
2
...
Removing duplicate values from a PowerShell array
...'Apples ', 'APPLES', 'Banana') |
Sort-Object -Property @{Expression={$_.Trim()}} -Unique
Output:
Apples
Banana
This uses the Property parameter to first Trim() the strings, so extra spaces are removed and then selects only the -Unique values.
More info on Sort-Object:
Get-Help Sort-Objec...
Count characters in textarea
... relevance of IDs of textarea and second span : id="post" <-> id="rem_post" and the title of the span that holds the desired characters amount of each particular textarea
<textarea class="countit" name="post" id="post"></textarea>
<p>
<span>characters remaining: <...
Cocoa Core Data efficient way to count entities
... = [NSEntityDescription entityForName:@"YourEntity" inManagedObjectContext:_managedObjectContext];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
[fetchRequest setEntity:entity];
[fetchRequest setIncludesPropertyValues:NO];
[fetchRequest setIncludesSubentities:NO];
NSError *error = ni...
Why does C# forbid generic attribute types?
...ute
{
public ClassDescriptionAttribute(Type KeyDataType)
{
_KeyDataType = KeyDataType;
}
public Type KeyDataType
{
get { return _KeyDataType; }
}
private Type _KeyDataType;
}
[ClassDescriptionAttribute(typeof(string))]
class Program
{
....
}
...
Java Error opening registry key
...eleting the Oracle Folder in my ProgramData
– Alyosha_Karamazov
Jul 10 '19 at 20:34
add a comment
|
...
How to cherry pick a range of commits and merge into another branch?
...ation branch to the head of the new patchset
git branch -f integration last_SHA-1_of_working_branch_range
# Rebase the patchset onto tmp, the old location of integration
git rebase --onto tmp first_SHA-1_of_working_branch_range~1 integration
That will replay everything between:
after the parent o...
How does the const constructor actually work?
...a nice performance win for Flutter widgets according to medium.com/@mehmetf_71205/inheriting-widgets-b7ac56dbbeb1 "Use const to build your widgets Without const, selective rebuilding of the sub-tree does not happen. Flutter creates a new instance of each widget in the sub-tree and calls build() was...
Create folder with batch but only if it doesn't already exist
...efer this since it does not set %errorlevel% when dir already exists (Agent_9191's answer returns an error code of 1)
– csauve
Jun 18 '12 at 14:02
...