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I don't understand -Wl,-rpath -Wl,
...separated list of arguments to the linker. So
gcc -Wl,aaa,bbb,ccc
eventually becomes a linker call
ld aaa bbb ccc
In your case, you want to say "ld -rpath .", so you pass this to gcc as -Wl,-rpath,. Alternatively, you can specify repeat instances of -Wl:
gcc -Wl,aaa -Wl,bbb -Wl,ccc
Note tha...
Is there a command to refresh environment variables from the command prompt in Windows?
... environment variables with a vbs script, but you need a bat script to actually change the current environment variables, so this is a combined solution.
Create a file named resetvars.vbs containing this code, and save it on the path:
Set oShell = WScript.CreateObject("WScript.Shell")
filename =...
Getting raw SQL query string from PDO prepared statements
Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful.
...
Merging two images in C#/.NET
...
basically i use this in one of our apps:
we want to overlay a playicon over a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try...
How exactly does work?
...pt> elements. I saw the defer attribute can come in handy here as it allows code blocks to be postponed in execution.
...
What is the best way to filter a Java Collection?
...he predicate):
persons.removeIf(p -> p.getAge() <= 16);
lambdaj allows filtering collections without writing loops or inner classes:
List<Person> beerDrinkers = select(persons, having(on(Person.class).getAge(),
greaterThan(16)));
Can you imagine something more readable?
Disc...
How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
...
Yeah, I believe SQL Server's equivalent is called MERGE. In general, the concept is often referred to as "UPSERT".
– chaos
Aug 2 '09 at 13:40
3
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Set TextView text from html-formatted string resource in XML
...that's not documented (I tripped over it after searching for hours, and finally found it in the bug list for the Android SDK itself). You CAN include raw HTML in strings.xml, as long as you wrap it in
<![CDATA[ ...raw html... ]]>
Example:
<string name="nice_html">
<![CDATA[
<p...
Append TimeStamp to a File Name
... to a file using the Path class and string manipulation is not an issue at all. this only an alternative to DateTime.ToString Method (String) or string.Format("{0:yyyy-MM-dd_hh-mm-ss-tt}",DateTime.Now);
– Joseph
Jun 26 '17 at 11:50
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Two versions of python on linux. how to make 2.7 the default
...
You probably don't actually want to change your default Python.
Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away wi...