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What should every programmer know about security? [closed]
...overflows, double-frees, heap overflows, integer related overflows, format strings, etc. Of course there are other things such as logic bugs, but that wasn't the topic of this answer to begin with.
– newgre
Mar 26 '12 at 19:44
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Is it possible to use Swift's Enum in Obj-C?
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Shamelessly taken from the Swift Blog
Note: This would not work for String enums or enums with associated values. Your enum will need to be Int-bound
In Objective-C this would look like
Bear type = BearBlack;
switch (type) {
case BearBlack:
case BearGrizzly:
case BearPolar:
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Spring classpath prefix difference
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The source code of Spring:
public Resource[] getResources(String locationPattern) throws IOException {
Assert.notNull(locationPattern, "Location pattern must not be null");
//CLASSPATH_ALL_URL_PREFIX="classpath*:"
if (locationPattern.startsWith(CLASSPATH_ALL_URL_PREFIX)) {
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How does the SQL injection from the “Bobby Tables” XKCD comic work?
... 'Derper')
The ' in the student's name is not a comment, it's the closing string delimiter. Since the student's name is a string, it's needed syntactically to complete the hypothetical query. Injection attacks only work when the SQL query they inject results in valid SQL.
Edited again as per dan...
How to pass a single object[] to a params object[]
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This is a one line solution involving LINQ.
var elements = new String[] { "1", "2", "3" };
Foo(elements.Cast<object>().ToArray())
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Python base64 data decode
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import base64
coded_string = '''Q5YACgA...'''
base64.b64decode(coded_string)
worked for me. At the risk of pasting an offensively-long result, I got:
>>> base64.b64decode(coded_string)
2: 'C\x96\x00\n\x00\x00\x00\x00C\x96\x00\x1b\x00...
How to find out client ID of component for ajax update/render? Cannot find component with expression
... following code is inspired from PrimeFaces DataGrid + DataTable Tutorials and put into a <p:tab> of a <p:tabView> residing in a <p:layoutUnit> of a <p:layout> . Here is the inner part of the code (starting from p:tab component); the outer part is trivial.
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How to convert `git:` urls to `http:` urls
...written to start, instead, with <base>. When more than one insteadOf strings match a given URL, the longest match is used.
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Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?
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I usually use something like:
string AppPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
AppPath = AppPath.Replace("file:\\", "");
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Regular expression: find spaces (tabs/space) but not newlines
...d so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
If you're using ...