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Getting a 'source: not found' error when using source in a bash script
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File must be executable: chmod +x filename.sh
– Randy
Nov 14 '17 at 9:13
2
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NSLog with CGPoint data
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First, you’d need to build the FindAlignment.c file as an iOS app and run it on a device (not simulator). Then, copy the result into a new #elif block before the #else at line 172 in JAValueToString.m. If this doesn’t work, additional debugging will be required. I can...
How do I control how Emacs makes backup files?
Emacs puts backup files named foo~ everywhere and I don't like having to remember to delete them. Also, if I edit a file that has a hard link somewhere else in the file system, the hard link points to the backup when I'm done editing, and that's confusing and awful. How can I either eliminate th...
PHP - find entry by object property from an array of objects
...this
$item = null;
foreach($array as $struct) {
if ($v == $struct->ID) {
$item = $struct;
break;
}
}
See this question and subsequent answers for more information on the latter - Reference PHP array by multiple indexes
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How do I concatenate strings and variables in PowerShell?
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Write-Host "$($assoc.Id) - $($assoc.Name) - $($assoc.Owner)"
See the Windows PowerShell Language Specification Version 3.0, p34, sub-expressions expansion.
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
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First, to address your first inquiry:
When you see this in .h file:
#ifndef FILE_H
#define FILE_H
/* ... Declarations etc here ... */
#endif
This is a preprocessor technique of preventing a header file from being included multiple times, which can be problematic for various reasons...
Staging Deleted files
Say I have a file in my git repository called foo .
9 Answers
9
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What is the meaning of CTOR?
In a lot of C# files I save regions tags(?) that are named CTOR or ctor. What's the meaning of ctor? Why is such a region called ctor?
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How to convert integer timestamp to Python datetime
I have a data file containing timestamps like "1331856000000". Unfortunately, I don't have a lot of documentation for the format, so I'm not sure how the timestamp is formatted. I've tried Python's standard datetime.fromordinal() and datetime.fromtimestamp() and a few others, but nothing matches...
JPA - Returning an auto generated id after persist()
...EclipseLink) and Spring. Say I have a simple entity with an auto-generated ID:
7 Answers
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