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Will code in a Finally statement fire if I return a value in a Try block?
...he method exits. Then the WriteLine in the Main method spits out the text from the return call.
– NotMe
Sep 4 '13 at 1:24
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How exactly does __attribute__((constructor)) work?
...startup.
That's how all GCC attributes are; presumably to distinguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destructor runs when the shared library is unloaded, typically at program exit.
So, the way the constr...
How to retrieve all keys (or values) from a std::map and put them into a vector?
...vel of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this:
std::map<int, i...
Remove the error indicator from a previously-validated EditText widget
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Wow, so aside from NullPointerException, null value was really put into good use. LOL
– ralphgabb
Nov 19 '18 at 4:11
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How do I load an org.w3c.dom.Document from XML in a string?
...dom.Document;
import java.io.ByteArrayInputStream;
public Document loadXMLFromString(String xml) throws Exception
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
retur...
How to backup a local Git repository?
...keep 3 backups for a repo - like rotate...)
# - TESTING
# allow calling from other scripts
def git_backup
# constants:
git_dir_name = '.git' # just to avoid magic "strings"
filename_suffix = ".git.bundle" # will be added to the filename of the created backup
# Test if we are ins...
Installing Python 3 on RHEL
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Installing from RPM is generally better, because:
you can install and uninstall (properly) python3.
the installation time is way faster. If you work in a cloud environment with multiple VMs, compiling python3 on each VMs is not accept...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...al to it safely, but you don't know anything about what might be retrieved from it, because it could be a List<Object>.
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HTTP GET request in JavaScript?
...) provide an XMLHttpRequest object which can be used to make HTTP requests from JavaScript:
function httpGet(theUrl)
{
var xmlHttp = new XMLHttpRequest();
xmlHttp.open( "GET", theUrl, false ); // false for synchronous request
xmlHttp.send( null );
return xmlHttp.responseText;
}
Ho...
Git: How to remove file from historical commit?
...l). Now my repo when i clone is too heavy :( How to remove that large file from repo history to reduce the size of my repo ?
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