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Build tree array from flat array in javascript
...It doesn't require a 3rd-party library. It's, as far as I can tell, the fastest solution.
function list_to_tree(list) {
var map = {}, node, roots = [], i;
for (i = 0; i < list.length; i += 1) {
map[list[i].id] = i; // initialize the map
list[i].children = []; // initialize the ...
Flex-box: Align last row to grid
...read out correctly. Seems to work on Safari, iOS, Firefox, Chrome (need to test IE) and my largest row size is 3 on my initial implementation.
– webbower
Jul 13 '16 at 1:12
9
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Downloading a large file using curl
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I tested it with a https, works great!!!, Thanks for you help @dynamic.
– Ozal Zarbaliyev
Jan 15 '19 at 13:14
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How to detect iPhone 5 (widescreen devices)?
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Tested and designed for any combination of SDK and OS:
Swift
Added iPad types. iPad 2 and iPad mini are non-retina iPads. While iPad Mini 2 & above, iPad 3, 4, iPad Air, Air 2, Air 3, and iPad Pro 9.7 have same logical ...
SQL injection that gets around mysql_real_escape_string()
...mysql_real_escape_string("\xbf\x27 OR 1=1 /*");
mysql_query("SELECT * FROM test WHERE name = '$var' LIMIT 1");
In certain circumstances, that will return more than 1 row. Let's dissect what's going on here:
Selecting a Character Set
mysql_query('SET NAMES gbk');
For this attack to work, we need t...
Can I change the checkbox size using CSS?
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transform: scale(1.5);
}
<label><input type="checkbox"> Test</label>
Compatibility:
IE: 10+
FF: 16+
Chrome: 36+
Safari: 9+
Opera: 23+
iOS Safari: 9.2+
Chrome for Android: 51+
Appearance:
Chrome 58 (May 2017), Windows 10
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How to replace captured groups only?
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Just ran a quick timing test, and it's quite impressive how the input matters: jsfiddle.net/60neyop5
– Kaiido
Aug 12 '19 at 3:52
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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@BilltheLizard I respectfully disagree. Most of the test is either un-searchable things like { and [, or are generic words like array , id and @implementation. The relevant keywords are literal, objc and xcode, not the specific mentions of [ or @implementation. You don't want ...
Why can I not push_back a unique_ptr into a vector?
...unique_ptr into vector? It's extremely slow compared with raw pointer as I tested.
– user2189731
Apr 9 at 7:35
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Combining two Series into a DataFrame in pandas
...e converted back to a list then use values.tolist()
output=pd.DataFrame(X_test)
output['prediction']=y_pred
list=output.values.tolist()