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Should I use != or for not equal in T-SQL?
..., they are logically the same, that is, it would match or exclude the same set of rows. But whether a particular RDBMS brand optimizes it the same is implementation-dependent. That said, I would be surprised if there were any differences across brands of database.
– Bill Karwin...
How to pass password to scp?
... spawn scp /usr/bin/file.txt root@<ServerLocation>:/home
set pass "Your_Password"
expect {
password: {send "$pass\r"; exp_continue}
}
run the script
expect test.exp
I hope that helps.
What is the best way to insert source code examples into a Microsoft Word document?
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In the Caption menu, if you don't have one already, click New Label, and set the new label to "Code", click OK ...
... then in the Caption dialog, switch the label to Code, and hit OK
Finally, type your caption in the newly created caption box
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How to run a C# console application with the console hidden
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If you are using the ProcessStartInfo class you can set the window style to hidden - in the case of console (not GUI) applications, you have to set CreateNoWindow to true:
System.Diagnostics.ProcessStartInfo start =
new System.Diagnostics.ProcessStartInfo();
start.FileN...
Re-ordering columns in pandas dataframe based on column name [duplicate]
...om first glance it seems like this would just sort the column names then reset the index.
– pbreach
Jul 8 '18 at 21:13
7
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How to urlencode a querystring in Python?
...:
If you need ordered name-value pairs or multiple values for a name then set params like so:
params=[('name1','value11'), ('name1','value12'), ('name2','value21'), ...]
instead of using a dictionary.
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iOS detect if user is on an iPad
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Sorry - had the simulator set to iPhone. Gotta stop making changes at 2AM
– sevensevens
Dec 26 '15 at 14:38
add a comment
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initializer_list and move semantics
...es appropriately, unlike initializer_list.
In this example code, I used a set of small helper functions to convert the variadic arguments into a vector, to make it similar to the original code. But of course you can write a recursive function with variadic templates directly instead.
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Prevent multiple instances of a given app in .NET?
...soft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase class and set the IsSingleInstance property to true. (I believe a caveat here is that this won't work with WPF applications, will it?)
Use a named mutex and check if it's already been created.
Get a list of running processes and compar...
At runtime, find all classes in a Java application that extend a base class
...lections:
Reflections reflections = new Reflections("com.mycompany");
Set<Class<? extends MyInterface>> classes = reflections.getSubTypesOf(MyInterface.class);
Another example:
public static void main(String[] args) throws IllegalAccessException, InstantiationException {
Refl...