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Read an Excel file directly from a R script
...acter data (i.e., not comma-formatted numbers, dates, formulas with divide-by-zero errors, missing values, etc. etc. ..) I generally have no problem with this process.
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...time. Also it makes it easier for people with larger screens to multi-task by being able to set up multiple windows to be side by side.
Readability is also one of the reasons for enforced line indentation.
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What breaking changes are introduced in C++11?
...hread_local
Certain integer literals larger than can be represented by long could change from an unsigned integer type to signed long long.
Valid C++ 2003 code that uses integer division rounds the result toward 0 or toward negative infinity, whereas C++0x always rounds the result towa...
Can't connect to localhost on SQL Server Express 2012 / 2016
...ou need to verify that the SQL Server service is running. You can do this by going to Start > Control Panel > Administrative Tools > Services, and checking that the service SQL Server (SQLEXPRESS) is running. If not, start it.
While you're in the services applet, also make sure that the se...
Persistence unit as RESOURCE_LOCAL or JTA?
... managing transactions themselves (RESOURCE_LOCAL), or having them managed by the application server's JTA implementation.
In most cases, RESOURCE_LOCAL is fine. This would use basic JDBC-level transactions. The downside is that the transaction is local to the JPA persistence unit, so if you want a...
How to suppress “unused parameter” warnings in C?
...e of many that have to have the same signature because they are referenced by a function pointer.
– josch
Sep 19 '14 at 5:50
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What is the significance of ProjectTypeGuids tag in the visual studio project file
...CHINE\SOFTWARE\Microsoft\VisualStudio\10.0\Packages for packages reference by some project
Some ProjectTypeGuids
Windows (C#) {FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}
Windows (VB.NET) {F184B08F-C81C-45F6-A57F-5ABD9991F28F}
Windows (Visual C++) {8BC9CEB8-8B4A-11D0-8D11-00A0C91BC94...
Delete topic in Kafka 0.8.1.1
...ble=true can be located in the server.properties file. It is commented out by default.
– Shanemeister
Mar 10 '17 at 1:34
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Recommended way to get hostname in Java
.... This is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might not resolve into any name. Bad DNS setup, bad system setup or bad provider setup may be the re...
Python “extend” for a dictionary
...c":5} to dict {"a":2, "b":3,"c":5}? Of course it's possible using update() by moving some stuff around, but it would be nicer if it could be accomplished in only one line...
– Nearoo
Jan 6 '16 at 16:28
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