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What is the logic behind the “using” keyword in C++?
...as is identical to typedef.
7.1.3.2
A typedef-name can also be introduced by an alias-declaration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq following the identifier appertains
to that typedef-name. It has the same semantics as if it ...
gcc makefile error: “No rule to make target …”
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In my experience, this error is frequently caused by a spelling error.
I got this error today.
make[1]: *** No rule to make target maintenaceDialog.cpp', needed bymaintenaceDialog.o'. Stop.
In my case the error was simply a spelling error. The word MAINTENANCE was m...
Default string initialization: NULL or Empty? [closed]
...ble types in c# it seems like we are taking strides backwards with strings by not using the NULL to represent 'No Value'.
1...
Sorting data based on second column of a file
...g" ordering. Pay attention to man "*** WARNING *** The locale specified by the environment affects sort order. Set LC_ALL=C to get the traditional sort order that uses native byte values." (for string match case without -n)
– x'ES
Sep 29 '18 at 0:28
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Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...
How does this site infecting script work?
...and more bots crawling these systems looking for known loopholes/entrances by-way of back-door entrances created by those frameworks. Good thing when I use any type of framework, which I seldom do, I make sure to rename most if not the entire file structure to rid myself of those pesky loopholes/bac...
Best way to add Activity to an Android project in Eclipse?
...can use the "New Class" dialog, but that leaves other steps you need to do by hand (e.g. adding an entry to the manifest file). If you want those steps to be automated, you can create the activity via the manifest editor like this:
Double click on AndroidManifest.xml in the package explorer.
Click...
How do I initialize a byte array in Java?
I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be. This is how I'm currently doing it, but I feel like there must be a better way.
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How to open link in new tab on html?
...ity see these resources:
https://dev.to/ben/the-targetblank-vulnerability-by-example
https://support.detectify.com/support/solutions/articles/48001048981-external-links-using-target-blank-
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deleting rows in numpy array
...ray([[ 0.96488889, 0.73641667, 0.67521429, 0.592875 , 0.53172222]])
By the way, this method is much, much faster than the masked array method for large matrices. For a 2048 x 5 matrix, this method is about 1000x faster.
By the way, user333700's method (from his comment) was slightly faster i...