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Java null check why use == instead of .equals()
...r two distinct object instances to be "equal" according to their contract. And then there's the minor detail that since equals is a method, if you try to invoke it on a null reference, you'll get a NullPointerException.
For instance:
class Foo {
private int data;
Foo(int d) {
this...
Replacing a char at a given index in string? [duplicate]
String does not have ReplaceAt() , and I'm tumbling a bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok
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Remove file from the repository but keep it locally
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And then add the path to .gitignore so git doesn't try to make you add it later.
– grossvogel
Aug 12 '10 at 16:24
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How to set JVM parameters for Junit Unit Tests?
...ionality for a webstart app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.)
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Find all files with a filename beginning with a specified string?
I have a directory with roughly 100000 files in it, and I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files.
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Mongo: find items that don't have a certain field
... answered Apr 19 '11 at 16:19
Andrew OrsichAndrew Orsich
47.9k1414 gold badges129129 silver badges130130 bronze badges
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How to skip “are you sure Y/N” when deleting files in batch files
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Use del /F /Q to force deletion of read-only files (/F) and directories and not ask to confirm (/Q) when deleting via wildcard.
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List All Redis Databases
I ran this command to access my redis server.
3 Answers
3
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Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()
...pler than the road I was going down, in creating a UseRedisCluster method, and the back-end pluming now supports true fail-over:
var conn = ConnectionMultiplexer.Connect("redisServer1:6380,redisServer2:6380,redisServer3:6380,allowAdmin=true");
StackExchange.Redis also allows for additional manual...
Java “user.dir” property - what exactly does it mean?
...property points to the current working directory (e.g. set by the 'cd' command)?
4 Answers
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