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Connecting to TCP Socket from browser using javascript
...ascript in your firefox/chrome connecting to anything you run locally (say MySQL DB) and publish data to an evil site?
– Arun Avanathan
Sep 5 '16 at 17:16
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...up. Let me demonstrate this:
Usually /bin is a well protected place, only root is able to change anything there. Your home directory is not, though, any program you run is able to make changes to it. That means malicious code could place a fake bash into some hidden directory, modify your .bash_pro...
STL or Qt containers?
...tees.
We know the minimal bound of wasted space for a vector is the square root of the length of the vector, but there seems to be no way to implement this in Qt; the various "optimizations" they support would preclude this very important space saving feature. The STL does not require this feature (...
How can I exclude all “permission denied” messages from “find”?
...ly printing filenames, for security reasons: because you're running as the root user, "you risk having your whole system being messed up by a bug in find or a malicious version, or an incorrect invocation which writes something unexpectedly, which could not happen if you ran this with normal privile...
How To Get IPython Notebook To Run Python 3?
... is “Environment:” pull down menu.
The default environment is called "root". In order to launch application using another environment, just select the desired environment from the list, to make it active.
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MySQLDump one INSERT statement for each data row
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Use:
mysqldump --extended-insert=FALSE
Be aware that multiple inserts will be slower than one big insert.
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Float vs Decimal in ActiveRecord
...In Rails 4.1.0, I have faced problem with saving latitude and longitude to MySql database. It can't save large fraction number with float data type. And I change the data type to decimal and working for me.
def change
change_column :cities, :latitude, :decimal, :precision => 15, :scale =...
SQL set values of one column equal to values of another column in the same table
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
... 的字符串的副本，其格式符合 path 语法规则。
std::string root_directory( )：在提供了路径的情况下，此 API 将返回根目录，否则将返回空字符串。例如，如果路径包含/tmp/var1，则此例程将返回 /，即 UNIX 文件系统的根。不过，如果路...
Java to Clojure rewrite
...ok at Clj-Record and SQLRat (not very mature yet). ClojureQL supports only MySQL and PostgreSQL at the moment AFAICT. The current limitation in c.c.sql to disallow underscores in column names may come as a surprise. I think discussing the development aspects on the Clojure list as-and-when-required ...