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How to sort a collection by date in MongoDB?
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db.getCollection('').find({}).sort({_id:-1})
This will sort your collection in descending order based on the date of insertion
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What is the Sign Off feature in Git for?
...example this commit,
which has to do with “Dirty Cow”:
mm: remove gup_flags FOLL_WRITE games from __get_user_pages()
This is an ancient bug that was actually attempted to be fixed once
(badly) by me eleven years ago in commit 4ceb5db9757a ("Fix
get_user_pages() race for write access") but t...
What are .a and .so files?
...ories... /usr/lib and /lib have most of them, and there is also the LIBRARY_PATH environment variable.
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How do I load an org.w3c.dom.Document from XML in a string?
...wesome! Saved our lives on JDK8 with following setup file.encoding=ISO-8859_1 , javax.servlet.request.encoding=UTF-8 PS the answer labeled as correct didnt work for us
– kosta5
Apr 12 '17 at 12:08
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Cannot highlight all occurrences of a selected word in Eclipse
... answered Jan 9 '17 at 6:32
tk_tk_
11.9k55 gold badges6969 silver badges7878 bronze badges
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Setting UIButton image results in blue button in iOS 7
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In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button
Check your .xib file and change button type to Custom
To do this programmatically, add this line to the viewDidLoad:
[UIButton buttonWithType:UIButtonTypeSystem];
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How to calculate dp from pixels in android programmatically [duplicate]
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float ht_px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, ht, getResources().getDisplayMetrics());
float wt_px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, wt, getResources().getDisplayMetrics());
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How to loop through an associative array and get the key? [duplicate]
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If you use array_keys(), PHP will give you an array filled with just the keys:
$keys = array_keys($arr);
foreach($keys as $key) {
echo($key);
}
Alternatively, you can do this:
foreach($arr as $key => $value) {
echo($key);
}
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How to fix “Headers already sent” error in PHP
...ipt:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Unintentional:
Whitespace before <?php or after ?>
The UTF-8 Byte Order Mark specifically
Previous error messages or notices
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Prevent the keyboard from displaying on activity start
...wing may work
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
I've used it for this sort of thing before.
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