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Exposing database IDs - security risk?
...n't use unpredictable IDs at all. Bugs happen, so unpredictable IDs are an extra safety mechanism. Besides, access control is not the only reason to use them: predictable IDs can reveal sensitive information such as the number of new customers within a certain timeframe. You really don't want to exp...
How to get certain commit from GitHub project
...ng hash key 31af650ee25f65794b75d4dfefed6fe4758781c1, just get the first 7 chars 31af650. It's the default for GitHub.
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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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Django template how to look up a dictionary value with a variable
...mita's answer, the dictionary passed into the function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary first, like in this example.
With this edit, the code should look like this:
# code for custom template tag
@register.filter(name='lookup')
def loo...
What are database normal forms and can you give examples? [closed]
...Normal Form requires everything that the lower normal forms had, plus some extra conditions, which must all be fulfilled.
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ADB Shell Input Events
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By adb shell input keyevent, either an event_code or a string will be sent to the device.
usage: input [text|keyevent]
input text <string>
input keyevent <event_code>
Some possible values for event_code are:
0 --> "KEYCODE_UNKNOWN"
1 --> "KEYCODE_MENU...
How to launch jQuery Fancybox on page load?
...Script, but I would rather just launch the Fancybox directly and avoid the extra anchor tag.
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How do you add swap to an EC2 instance?
...nce.
Paging works by creating an area on your hard drive and using it for extra memory, this memory is much slower than normal memory however much more of it is available.
To add this extra space to your instance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswa...
Unnecessary curly braces in C++?
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The extra braces are used to define the scope of the variable declared inside the braces. It is done so that the destructor will be called when the variable goes out of scope. In the destructor, you may release a mutex (or any ot...
How do you round a float to two decimal places in jruby
...ason, see comments), so that is the better solution if you are looking for string output.
– Dylan Vander Berg
Aug 6 '17 at 4:33
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