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Find and Replace Inside a Text File from a Bash Command
What's the simplest way to do a find and replace for a given input string, say abc , and replace with another string, say XYZ in file /tmp/file.txt ?
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Is System.nanoTime() completely useless?
...ventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a comment on the post which links to a blog post by David Holmes, a realtime and concurrency guy at Sun. It says:
System.nanoTime() is implemented using the QueryPerformanceCounter/QueryPerfo...
What is an API key? [closed]
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What "exactly" an API key is used for depends very much on who issues it, and what services it's being used for. By and large, however, an API key is the name given to some form of secret token which is submitted alongside web service (or similar) requests in order to identify the origin of the req...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
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@rusty: If the connection failed and thus the request could not be sent and no response could be received, there won't be any http status code.
– Oliver
Apr 10 '14 at 11:34
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Why is lock(this) {…} bad?
...ns, special care should be taken to consider possible deadlock situations, and having an unknown number of lock entry points hinders this. For example, any one with a reference to the object can lock on it without the object designer/creator knowing about it. This increases the complexity of multi-t...
javax vs java package
What's the rationale behind the javax package? What goes into java and what into javax?
7 Answers
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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How to merge dictionaries of dictionaries?
...for key in b:
if key in a:
if isinstance(a[key], dict) and isinstance(b[key], dict):
merge(a[key], b[key], path + [str(key)])
elif a[key] == b[key]:
pass # same leaf value
else:
raise Exception('Conflict at %...
OpenSSL and error in reading openssl.conf file
...n also set the environment property OPENSSL_CONF. For example from the commandline you can type:
set OPENSSL_CONF=c:/libs/openssl-0.9.8k/openssl.cnf
to validate it you can type:
echo %OPENSSL_CONF%
You can also set it as part of the computer's environmental variables so all users and services ...
How to navigate back to the last cursor position in Visual Studio?
...ted Aug 11 '16 at 15:48
The One and Only ChemistryBlob
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answered May 7 '13 at 9:00
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