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Find MongoDB records where array field is not empty
All of my records have a field called "pictures". This field is an array of strings.
11 Answers
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Integer.toString(int i) vs String.valueOf(int i)
....toString(int i)
for double
Double.toString(double d)
and so on
In my opinion this is not some historical thing, but it is more useful for a developer to use the method valueOf from the String class than from the proper type, as it leads to fewer changes for us to make.
Sample 1:
public S...
submitting a GET form with query string params and hidden params disappear
...ed on the home page rather than the desired content page. The solution in my case was to find out how to code the URL without the query that would get the user to the desired page. In this case my target was a Drupal site, so as it turned out /content/something also worked. I also could have used...
Whitespace Matching Regex - Java
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Per my answer below use \p{Zs} instead of \s if you want to match unicode whitespace.
– Robert
Oct 24 '19 at 11:45
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Find the Smallest Integer Not in a List
... of the algorithm to use "array of booleans" since people apparently found my original description using bits and bitmaps to be confusing.
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Remove element of a regular array
...oo OR List<Foo> list = new List<Foll>(GetFoos()); list.Remove(my_foo); list.RemoveAt(2); where GetFoos() will return the array of Foos !!!!
– shahjapan
Dec 18 '09 at 10:28
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Does “git fetch --tags” include “git fetch”?
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I haven't tried git-remote yet, but it's on my ever-growing to-do list :)
– davidA
Jul 30 '09 at 22:47
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Better way of incrementing build number?
I have been using a shell script as part of my Xcode build process to increment the build number within the plist file, however it's making Xcode 4.2.1 crash frequently (with an error about the target not belonging to a project; I'm guessing the changing of the plist file is confusing Xcode in s...
JavaScript editor within Eclipse [closed]
...emove it. I've spent 15 minutes trying to figure out how to remove it from my Eclipse 3.4 config with no success - it seems to disable the uninstall buttons - and the only instructions I found on the Aptana site are for an older version of Eclipse. This is pretty frustrating - I would strongly sugge...
How do I install pip on macOS or OS X?
...talled /Library/Python/2.7/site-packages/pip-6.0.6-py2.7.egg -- what about my python3 installation? Does this just mean that pip uses my python2 installation?
– temporary_user_name
Jan 8 '15 at 22:37
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