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How do I connect to a specific Wi-Fi network in Android programmatically?
...conf.wepKeys[0] = "\"" + networkPass + "\"";
conf.wepTxKeyIndex = 0;
conf.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
conf.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
For WPA network you need to add passphrase like this:
conf.preSharedKey = "\""+ networkPass +"\"...
How to delete an item in a list if it exists?
...emethod will remove only the first occurrence of thing, in order to remove all occurrences you can use while instead of if.
while thing in some_list: some_list.remove(thing)
Simple enough, probably my choice.for small lists (can't resist one-liners)
2) Duck-typed, EAFP style:
This shoot-f...
How to join (merge) data frames (inner, outer, left, right)
...nner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "CustomerId") to make sure that you were matching on only the fields you desired. You can also use the by.x and b...
Catch browser's “zoom” event in JavaScript
...th, now I am working on a solution with filtering out resize events, especially on mobile. Anyone?
– lowtechsun
Jan 25 '17 at 0:45
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AddRange to a Collection
...erfectly reasonable. There is a List<T>.AddRange() method that basically does just this, but requires your collection to be a concrete List<T>.
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How to access the first property of a Javascript object?
...ject.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...t, postfix is much better. An example would be an iterator where you typically use: for(pos=c.begin(); ...; ++pos) {} instead of pos++
– Eric
Oct 2 '10 at 16:28
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C++11 rvalues and move semantics confusion (return statement)
...equivalent to your first. The std::move on tmp is unnecessary and can actually be a performance pessimization as it will inhibit return value optimization.
The best way to code what you're doing is:
Best practice
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5...
How to show popup message like in Stack Overflow
...he example.
Here's how Stackoverflow does it:
This is the markup, initially hidden so we can fade it in:
<div id='message' style="display: none;">
<span>Hey, This is my Message.</span>
<a href="#" class="close-notify">X</a>
</div>
Here are the style...
Appending an element to the end of a list in Scala
...'s because you shouldn't do it (at least with an immutable list).
If you really really need to append an element to the end of a data structure and this data structure really really needs to be a list and this list really really has to be immutable then do eiher this:
(4 :: List(1,2,3).reverse).rev...