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Significance of -pthread flag when compiling
... for multithreading with the pthreads
library. This
option sets flags for both the preprocessor and linker.
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How to remove “Server name” items from history of SQL Server Management Studio
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For SQL 2005, delete the file:
C:\Documents and Settings\<USER>\Application Data\Microsoft\Microsoft SQL Server\90\Tools\Shell\mru.dat
For SQL 2008, the file location, format and name changed:
C:\Documents and Settings\<USER>\Application Data\Microsoft\Micros...
Run an exe from C# code
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/// <summary>
/// Launch the application with some options set.
/// </summary>
static void LaunchCommandLineApp()
{
// For the example
const string ex1 = "C:\\";
const string ex2 = "C:\\Dir";
// Use ProcessStartInfo class
Pro...
What is the difference between MySQL Server and MySQL Client
...QL Server. For instance, in Coldfusion, we use Coldfusion Administrator to set up our data sources, which uses a MySQL Driver to provide the connection. I also use Navicat for MySQL, which is a GUI for creating new databases etc.
– Charles Robertson
Dec 6 '19 a...
PHP DOMDocument errors/warnings on html5-tags
I've been attempting to parse HTML5-code so I can set attributes/values within the code, but it seems DOMDocument(PHP5.3) doesn't support tags like <nav> and <section> .
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Get the creation date of a stash
...t includes a relative time:
git stash list --pretty=format:"%C(red)%h%C(reset) - %C(dim yellow)(%C(bold magenta)%gd%C(dim yellow))%C(reset) %<(70,trunc)%s %C(green)(%cr) %C(bold blue)<%an>%C(reset)"
I have this set in the [alias] section of my ~/.gitconfig file, so that I can bind it to ...
SELECT INTO using Oracle
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select into is used in pl/sql to set a variable to field values. Instead, use
create table new_table as select * from old_table
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For each row return the column name of the largest value
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One option using your data (for future reference, use set.seed() to make examples using sample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
A faster solution than using apply might be max.col:
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connecting to MySQL from the command line
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It is possible to set up MySQL authentication based on the user you logged in as, or not authenticate at all, but neither is a good idea, Specifying the password on the command line is even a slight security risk because it ends up in your co...
Format decimal for percentage values?
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If you have a good reason to set aside culture-dependent formatting and get explicit control over whether or not there's a space between the value and the "%", and whether the "%" is leading or trailing, you can use NumberFormatInfo's PercentPositivePatt...