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How to make a flat list out of list of lists?
...the previous intermediate result must be copied over (as well as a few new ones added at the end). So, for simplicity and without actual loss of generality, say you have L sublists of I items each: the first I items are copied back and forth L-1 times, the second I items L-2 times, and so on; total ...
How to remove a file from the index in git?
...iles or directories to .gitignore, stage and commit as normal. They'll be gone from the repo but remain untouched in your local tree, and you won't accidentally check them in again.
– Ionoclast Brigham
Dec 7 '14 at 6:27
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Why does the use of 'new' cause memory leaks?
...ing with C++. As I understand, operator new in C++ is not similar to the one in C#.
9 Answers
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What does 'foo' really mean?
...e example. foo is often followed by bar, baz, and even bundy, if more than one such name is needed. Wikipedia calls these names Metasyntactic Variables. Python programmers supposedly use spam, eggs, ham, instead of foo, etc.
There are good uses of foo in SA.
I have also seen foo used when the prog...
Can I use GDB to debug a running process?
...roved security in the Linux kernel - for example attaching to the child of one shell from another.
You'll likely need to set /proc/sys/kernel/yama/ptrace_scope depending on your requirements. Many systems now default to 1 or higher.
The sysctl settings (writable only with CAP_SYS_PTRACE) are:
0 -...
Keyboard shortcuts are not active in Visual Studio with Resharper installed
...re conservative suggestion by ND72--that advice worked for me or more than one workstation, and it affects only ReSharper settings and not Visual Studio settings.
– Jazimov
Nov 5 '18 at 16:58
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How to call an external command?
... Hello World").read()
but it is nice to have all of the options there in one unified class instead of 4 different popen functions. See the documentation.
The call function from the subprocess module. This is basically just like the Popen class and takes all of the same arguments, but it simply w...
Find location of a removable SD card
...s of this, particularly if you want the low-level details.
Second, lest anyone quibble on whether or not removable media access is otherwise part of the Android SDK, here is Dianne Hackborn's assessment:
...keep in mind: until Android 4.4, the official Android platform has not supported SD cards at...
Visual Studio: How can I see the same file in two separate tab groups?
I want to be able to edit one method while looking at another method in the same file, as reference.
Can this be done?
8 An...
DLL and LIB files - what and why?
...sometimes called 'archives' for this reason.
Dynamic libraries take this one step further. It seems wasteful to have multiple copies of the library functions taking up space in each of the programs. Why can't they all share one copy of the function? This is what dynamic libraries are for. Rather t...