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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 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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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...
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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NoSql Crash Course/Tutorial [closed]
...oc.objType == "users") {
if (doc.age > 10) {
emit(doc._id, null)
}
}
}
That's all there really is to it.....it gets way more complex from there on the server end, as the server has to handle crashes, and multiple revisions of the same object, but this is just an exa...