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What should every programmer know about security? [closed]
... things have spent years being thought out, patched, updated, and examined by experts and hackers alike. You want to gain those advantages, not dismiss them by trying to reinvent the wheel.
Now, that's not to say you don't need to learn anything about security. You certainly need to know enough to ...
How does “make” app know default target to build if no target is specified?
...
By default, it begins by processing the first target that does not begin with a . aka the default goal; to do that, it may have to process other targets - specifically, ones the first target depends on.
The GNU Make Manual c...
How can I make gdb save the command history?
...story entries is disabled".
set history remove-duplicates <count>
By default, gdb saves the history into the file ./.gdb_history in the current directory. If you want your command history not to depend on the directory you are in, also include:
set history filename ~/.gdb_history
...
invalid target release: 1.7
... machine, and it wasn't finding my $JAVA_HOME.
On a Mac, this is resolved by:
Right clicking on the module | Module Settings | Project
and adding the 1.7 SDK by selecting "New" in the Project SDK.
Then go to the main IntelliJ IDEA menu | Preferences | Maven | Runner
and select the correct JRE....
Is there a limit on how much JSON can hold?
... inherent size limitation to the JSON request. Any limitation would be set by the server parsing the request. (For instance, ASP.NET has the "MaxJsonLength" property of the serializer.)
share
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impr...
Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...
How do I subtract minutes from a date in javascript?
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Once you know this:
You can create a Date by calling the constructor with milliseconds since Jan 1, 1970.
The valueOf() a Date is the number of milliseconds since Jan 1, 1970
There are 60,000 milliseconds in a minute :-]
...it isn't so hard.
In the code below, a n...
deleting rows in numpy array
...ray([[ 0.96488889, 0.73641667, 0.67521429, 0.592875 , 0.53172222]])
By the way, this method is much, much faster than the masked array method for large matrices. For a 2048 x 5 matrix, this method is about 1000x faster.
By the way, user333700's method (from his comment) was slightly faster i...
How to get the number of Characters in a String?
..."))
}
Phrozen adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) patt...
C++ auto keyword. Why is it magic?
... two possible conditions: either it wasn't allowed, or else it was assumed by default.
The use of auto to mean a deduced type was new with C++11.
At the same time, auto x = initializer deduces the type of x from the type of initializer the same way as template type deduction works for function te...