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Java: difference between strong/soft/weak/phantom reference
...e for the StringBuilder object in memory is, actually, the weak reference, then the GC is allowed to garbage collect the StringBuilder object. When an object in memory is reachable only by Weak Reference Objects, it becomes automatically eligible for GC.
Levels of Weakness
Two different levels of ...
What's the Hi/Lo algorithm?
... A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values.
For instance, supposing you have a "high" sequence with a current value of 35, and the "low" number is in the ran...
Should composer.lock be committed to version control?
...itory. If you want to tie the software to given versions of the libraries, then do so explicitly in the configuration. That way the lock will never change. Think of the lock file as an indicator of a dependency management issue which needs to be resolved one way or the other.
–...
VBA - how to conditionally skip a for loop iteration
...hedule, 1) To UBound(Schedule, 1)
If (Schedule(i, 1) < ReferenceDate) Then
PrevCouponIndex = i
Else
DF = Application.Run("SomeFunction"....)
PV = PV + (DF * Coupon / CouponFrequency)
End If
Next
shar...
How do I pull from a Git repository through an HTTP proxy?
...tp.proxy:
git config --global http.proxy http://proxy.mycompany:80
To authenticate with the proxy:
git config --global http.proxy http://mydomain\\myusername:mypassword@myproxyserver:8080/
(Credit goes to @EugeneKulabuhov and @JaimeReynoso for the authentication format.)
...
How to escape double quotes in JSON
...hin the quotation marks except for the characters that must be escaped and then it specifies: \" represents the quotation mark character (U+0022)
– mastazi
Mar 30 '17 at 1:30
...
How do I delete unpushed git commits?
...-y--m--m <- y branch, with commits which should have been on master
, then you can mark master and move it where you would want to be:
git checkout master
git branch tmp
git checkout y
git branch -f master
x--x--x--x <-- tmp
\
-y--y--m--m <- y branch, master ...
Eclipse: enable assertions
...
Go to the menu Run, and then to the menu item Run Configurations.
In the left panel, go to Java Application, and then go to Assertions.
In the right panel, choose the tab Arguments.
Under the field for VM arguments, type -ea to enable assertion...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...oach is the best if you're not worried about the order of the objects, but then again, if you're not worried about the order, then why aren't you storing them in an NSSet to begin with?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an ...
How to detect if JavaScript is disabled?
...e was a post this morning asking about how many people disable JavaScript. Then I began to wonder what techniques might be used to determine if the user has it disabled.
...