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git pull fails “unable to resolve reference” “unable to update local ref”
...remote prune origin
man git-gc(1):
git-gc - Cleanup unnecessary files and optimize the local repository
git gc [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune]
Runs a number of housekeeping tasks within the current repository, such as compressing file revisions
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Checking for a null int value from a Java ResultSet
...) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// handle NULL field value
}
}
(Edited as @martin comments below; the OP code as written would not compile because iVal is not initialised)
share
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How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of paramet...
Get fully qualified class name of an object in Python
... object. (With fully qualified I mean the class name including the package and module name.)
10 Answers
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Difference between View and table in sql
What is the main difference between view and table in SQL. Is there any advantage of using views instead of tables.
7 Answe...
Extending Angular Directive
...with the same name as the third party directive. Both directives will run and you can specify their run order using the priority property (higher priority runs first).
The two directives will share scope and you can access and modify the scope of the third party directive via your directive's link...
How to monitor network calls made from iOS Simulator
...rk request, displaying extended request details, including support for SSL and various request/reponse format, like JSON, etc...
You can also configure it to sniff only requests to specific servers, not the whole traffic.
It's commercial software, but there is a trial, and IMHO it's definitively a...
Get names of all keys in the collection
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You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"map" : function() {
for (var key in this) { emit(key, null); }
},
"reduce" : function(key, stuff) { return null; },
"out": "my_collection" + "_keys"
})
Then run distinct ...
List all indexes on ElasticSearch server?
...curl http://localhost:9200/_aliases
this will give you a list of indices and their aliases.
If you want it pretty-printed, add pretty=true:
curl http://localhost:9200/_aliases?pretty=true
The result will look something like this, if your indices are called old_deuteronomy and mungojerrie:
{
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Reflection: How to Invoke Method with parameters
I am trying to invoke a method via reflection with parameters and I get:
10 Answers
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