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ipython: print complete history (not just current session)
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This will print out something like
(100, datetime.datetime(2018, 2, 13, 19, 8, 30, 40691), None, None, '')
This means that the session 100 started on the 13th of Feb 2018 19:08:30.
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impr...
How can I check if a var is a string in JavaScript?
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rediskoredisko
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Unable to create Android Virtual Device
...they're not installed.
– KI4JGT
Jan 19 '13 at 20:47
@KI4JGT it's hard to tell what the problem is with what you say. G...
Postgres - FATAL: database files are incompatible with server
...estart postgres
– Shemogumbe
Jul 3 '19 at 10:50
Worked on 9.5 to 11 as well. Kudos for also showing how to use brew in...
Extract month and year from a zoo::yearmon object
... I'd add a zoo-free answer for ts as well.
# create an example Date
date_1 <- as.Date("1990-01-01")
# extract year
as.numeric(format(date_1, "%Y"))
# extract month
as.numeric(format(date_1, "%m"))
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Using Git, how could I search for a string across all branches?
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edited Oct 29 '19 at 9:36
Peter Mortensen
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Embedded MongoDB when running integration tests
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Here's an updated (for 2019) version of the accepted answer from @rozky (a lot has been changed in both the Mongo and Embedded MongoDB libraries).
package com.example.mongo;
import com.mongodb.BasicDBObject;
import com.mongodb.MongoClient;
import c...
How to determine if an NSDate is today?
...oday:(NSDate *)date NS_AVAILABLE(10_9, 8_0);
– powerj1984
Dec 23 '14 at 16:38
Yes, that's what I said. The previous co...
Setting an int to Infinity in C++
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edited Apr 19 '13 at 16:05
answered Dec 31 '11 at 21:11
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Random number generator only generating one random number
...nly Random Global = new Random();
[ThreadStatic] private static Random _local;
public int Next(int max)
{
var localBuffer = _local;
if (localBuffer == null)
{
int seed;
lock(Global) seed = Global.Next();
localBuffer = new Rand...