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Build and Version Numbering for Java Projects (ant, cvs, hudson)
... subversion revision number, time, user who ran the build, and some system information, stuff them into a .properties file that gets included in the application jar, and read that jar at runtime.
The ant code looks like this:
<!-- software revision number -->
<property name="version" valu...
Programmatically find the number of cores on a machine
...e following methods (guarded by appropriate #ifdef lines):
Win32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, Op...
GitHub: searching through older versions of files
...s of my repo files. For example, say, I used to have a function called get_info() in my code, but deleted it several versions ago, is it possible to search for get_info and find the code. If it is not possible using GitHub, is it possible from the git command line?
...
How to estimate how much memory a Pandas' DataFrame will need?
...gt; df.memory_usage(deep=True).sum()
(gives results in bytes)
462432
df.info()
Prints dataframe info to stdout. Technically these are kibibytes (KiB), not kilobytes - as the docstring says, "Memory usage is shown in human-readable units (base-2 representation)." So to get bytes would multiply by...
Do AJAX requests retain PHP Session info?
...r page request. They are both HTTP requests, and they both contain cookie information in the header in the same way.
From the client side, the same cookies will always be sent to the server whether it's a regular request or an AJAX request. The Javascript code does not need to do anything special...
What is the difference between “text” and new String(“text”)?
...ence to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal.
The Java programming language r...
Find the version of an installed npm package
...s True, but having it here avoids another search for that. Btw, npm v, npm info and npm show are all alias of npm view.
– CPHPython
Jan 17 '18 at 10:38
...
How to parse the AndroidManifest.xml file inside an .apk package
...k && cat Gmail/AndroidManifest.xml
Check android-apktool for more information
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
...en config file: C:\OpenSSL-Win64\bin\openssl.cnf
AND
Unable to load config info from C:\OpenSSL-Win64\bin\openssl.cnf
2.[Worked with Warning]
C:\OpenSSL-Win64\bin> openssl req -new -key server.key -out server.csr -config C:\OpenSSL-Win64\bin\openssl.cfg
[Warning message]: WARNING: can't op...
Java SecurityException: signer information does not match
... by one) with same certificate, but still got following exception: signer information does not match signer information of other classes in the same package
– vegeta
May 5 '15 at 10:10
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