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How can I do DNS lookups in Python, including referring to /etc/hosts?
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I'm not really sure if you want to do DNS lookups yourself or if you just want a host's ip. In case you want the latter,
import socket
print(socket.gethostbyname('localhost')) # result from hosts file
print(socket.gethostbyname('googl...
“git pull” or “git merge” between master and development branches
...nges. I need to merge changes from master into develop , but will eventually merge everything from develop into master . I have two different workflows in mind:
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JSON parsing using Gson for Java
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This is simple code to do it, I avoided all checks but this is the main idea.
public String parse(String jsonLine) {
JsonElement jelement = new JsonParser().parse(jsonLine);
JsonObject jobject = jelement.getAsJsonObject();
jobject = jobject.getAsJson...
What does addChildViewController actually do?
...s I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a standard Tab Bar Controller . (It's pretty much a Tab Bar Controller but with a hideable side...
Why is whitespace sometimes needed around metacharacters?
...s a list of characters that separate tokens in BASH. These characters are called metacharacters and they are |, &, ;, (, ), <, >, space and tab. On the other hand, curly braces ({ and }) are just ordinary characters that make up words.
Omitting the second space before } will do, since &am...
How to fix: “HAX is not working and emulator runs in emulation mode”
...r has to be lower or equal to the memory usage you have set during the installation of HAXM. You can launch its installation again to modify it.
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Why would json_encode return an empty string
... note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8ize($d) {
if (is_array($d)) {
foreach ($d as $k => $v) {
$d[$k] = utf8ize($v);
}
} else if (is_string ($d)) {
return utf8_enc...
How to make HTML Text unselectable [duplicate]
...sers only, then just make use of CSS3:
.unselectable {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
<label class="unselectable">Unselectable label</label>
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Android DialogFragment vs Dialog
...simple AlertDialog with Yes/No confirmation buttons. Not very much code at all.
With regards handling events in your fragment there would be various ways of doing it but I simply define a message Handler in my Fragment, pass it into the DialogFragment via its constructor and then pass messages back...
PostgreSQL - max number of parameters in “IN” clause?
...ArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all scalars (no RowExprs) and there is a
* suitable array type available. If not, we fall back to a boolean
* condition tree with multiple copies of the lefthand expression.
* Also, any IN-list items that contain Vars are...