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Fastest way(s) to move the cursor on a terminal command line?
...or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a reverse history search and type option25 (in this case). The line will be displayed. Hit Tab to start editing at this point.
Use history expansion with the s/// modifier. E.g. !-2:s/--option25/--newoption/ would rerun t...
How to show math equations in general github's markdown(not github's blog)
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But github show nothing for the math symbols! please help me, thanks!
GitHub markdown parsing is performed by the SunDown (ex libUpSkirt) library.
The motto of the library is "Standards compliant, fast, secure markdown processing library in C". T...
Detect whether there is an Internet connection available on Android [duplicate]
...tent filters and the like can all prevent your app from reaching a server. For instance you can't tell for sure if your app can reach Twitter until you receive a valid response from the Twitter service.
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How to make layout with rounded corners..?
... @nhouser9: actually it's more like "It works, but be warned that your foreground/content might draw in the corners". So depending on the use case it might 100% work. I'm glad the answer has not so many downvotes because it is useful, and I'm glad that the comment has a hundred upvotes because i...
How to load external webpage inside WebView
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Dont forget to add Permission <uses-permission android:name="android.permission.INTERNET" />
– star18bit
Jun 5 '13 at 5:38
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.war vs .ear file
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EARs and separate JARs for beans are unnecessary in most cases. A simple WAR with all classes in one archive is normal. Here is a more elaborate explanation: adam-bien.com/roller/abien/entry/ears_wars_and_size_matters
– Kaspar...
Difference between static and shared libraries?
...red object with one that is functionally equivalent, but may have added performance benefits without needing to recompile the program that makes use of it. Shared libraries will, however have a small additional cost for the execution of the functions as well as a run-time loading cost as all the sym...
How do I copy an entire directory of files into an existing directory using Python?
...import os, shutil
def copytree(src, dst, symlinks=False, ignore=None):
for item in os.listdir(src):
s = os.path.join(src, item)
d = os.path.join(dst, item)
if os.path.isdir(s):
shutil.copytree(s, d, symlinks, ignore)
else:
shutil.copy2(s, d...
Refresh image with a new one at the same url
...y when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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How to make a website secured with https
I have to build a small webapp for a company to maintain their business data... Only those within the company will be using it, but we are planning to host it in public domain, so that the employees can connect to app from various locations. (Till now I have built web apps that are hosted internall...