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How to grep a text file which contains some binary data?
...ing only the printables.
If you want every "illegal" character replaced by a different one, you can use something like the following C program, a classic standard input filter:
#include<stdio.h>
int main (void) {
int ch;
while ((ch = getchar()) != EOF) {
if ((ch == '\n') ||...
How can I build a small operating system on an old desktop computer? [closed]
...s I know writing an operating system is unbearably complicated (especially by oneself).
20 Answers
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“Private” (implementation) class in Python
...mple, def _myfunc() or class _MyClass:. You can also create pseudo-privacy by prefacing the method with two underscores (eg: __foo). You cannot access the method directly, but you can still call it through a special prefix using the classname (eg: _classname__foo). So the best you can do is indicate...
jQuery removeClass wildcard
...r example, to remove all classes consisting out of the word magic followed by a non-negative integer and only those, I'd match on /\bmagic\d+\b/.
– CarlEdman
Sep 21 '16 at 12:11
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How to use HttpWebRequest (.NET) asynchronously?
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By far the easiest way is by using TaskFactory.FromAsync from the TPL. It's literally a couple of lines of code when used in conjunction with the new async/await keywords:
var request = WebRequest.Create("http://www.stackove...
package R does not exist
...
For anyone who ran into this,
I refactored by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
sha...
Sum a list of numbers in Python
...to see decimals in the result, even though your input values are integers. By default, Python does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we just use 2....
How to truncate a foreign key constrained table?
...at now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
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Favorite Visual Studio keyboard shortcuts [closed]
... I often cancel cycling between application windows (Alt+Tab) by pressing Esc. Doing so while cycling through document windows (Ctrl+Tab), however, pops up Windows' start menu. That just drives me nuts.
– sbi
Jun 2 '10 at 10:50
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What does the unary plus operator do?
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what does it mean by saying an integer of greater width?
– yekanchi
Apr 22 '19 at 3:40
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