大约有 800 项符合查询结果（耗时：0.0169秒） [XML]
Determine the line of code that causes a segmentation fault?
...rite tool to the list: Address Sanitizers (often abbreviated ASAN).
Modern¹ compilers come with the handy -fsanitize=address flag, adding some compile time and run time overhead which does more error checking.
According to the documentation these checks include catching segmentation faults by def...
Extract subset of key-value pairs from Python dictionary object?
...works in 2.7 too):
{k: bigdict[k] for k in ('l', 'm', 'n')}
Update: As Håvard S points out, I'm assuming that you know the keys are going to be in the dictionary - see his answer if you aren't able to make that assumption. Alternatively, as timbo points out in the comments, if you want a key tha...
Difference between single and double square brackets in Bash
...Bash 4.3.11:
POSIX vs Bash extension:
[ is POSIX
[[ is a Bash extension¹ documented at: https://www.gnu.org/software/bash/manual/bash.html#Conditional-Constructs
regular command vs magic
[ is just a regular command with a weird name.
] is just an argument of [ that prevents further argument...
Does PostgreSQL support “accent insensitive” collations?
... unaccent() always substitutes a single letter:
SELECT unaccent('Œ Æ œ æ ß');
unaccent
----------
E A e a S
You will love this update to unaccent in Postgres 9.6:
Extend contrib/unaccent's standard unaccent.rules file to handle all
diacritics known to Unicode, and expand ligatures cor...
What is the difference between string primitives and String objects in JavaScript?
... the Annotated ES5 spec. with regard to resolving properties (and "methods"¹) of primitive values:
NOTE The object that may be created in step 1 is not accessible outside of the above method. An implementation might choose to avoid the actual creation of the object. [...]
At very low level, S...
Compression/Decompression string with C#
... only for UTF8-based things. If you add in, say, Swedish characters like åäö to the string value you're serialize/deserializing it will fail a round-trip test :/
– bc3tech
Aug 21 '19 at 12:32
...
Generating random whole numbers in JavaScript in a specific range?
...o-complement with much smaller range than Number.MAX_SAFE_INTEGER (2³²⁻¹ vs. 2⁵³), thus you have to use it with caution!
– le_m
Jun 6 '16 at 1:49
...
Filling a DataSet or DataTable from a LINQ query result set
...wered Aug 15 '08 at 16:42
Lars MæhlumLars Mæhlum
5,86633 gold badges2424 silver badges3232 bronze badges
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Set breakpoint in C or C++ code programmatically for gdb on Linux
... answered Dec 1 '10 at 16:22
Håvard SHåvard S
20.4k55 gold badges5555 silver badges6767 bronze badges
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How can I safely encode a string in Java to use as a filename?
...care of the special cases where the string equals ., equals .. or is empty!¹ Many programs use URL encoding to create file names, so this is a standard technique which everybody understands.
Irreversible
Use a hash (e.g. SHA-1) of the given string. Modern hash algorithms (not MD5) can be consider...