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Why does the order in which libraries are linked sometimes cause errors in GCC?
...before one another: -la -lb -la.
Linking to dynamic libraries
$ export LD_LIBRARY_PATH=. # not needed if libs go to /usr/lib etc
$ g++ -fpic -shared d.cpp -o libd.so
$ g++ -fpic -shared b.cpp -L. -ld -o libb.so # specifies its dependency!
$ g++ -L. -lb a.cpp # wrong order (works on some distribut...
Int or Number DataType for DataAnnotation validation attribute
...se localization on the message:
<input asp-for="Age" data-val-number="@_localize["Please enter a valid number."]"/>
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
....3^n-1 not containing 1 in their ternary expansion) - its density is n^(log_3 2) (circa 0.631). So any checking if the set isn't too large, and then checking all pairs is not enough to get O(n log n). You have to investigate the sequence smarter. A better lower bound is quoted here - it's n1-c/(log(...
Convert JSON string to dict using Python
...he vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be improv...
What is the difference between a definition and a declaration?
...declares foo
}
... or is a typedef or using statement.
typedef long LONG_32; // declares LONG_32
using namespace std; // declares std
Now for the big reason why it's important to understand the difference between a declaration and definition: the One Definition Rule. From section 3.2.1 of t...
What does the @ symbol before a variable name mean in C#? [duplicate]
...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class".
– P Daddy
Jan 9 '09 at 20:23
...
Remove ALL styling/formatting from hyperlinks
...t inline this way... <a href="#" style="text-decoration: none" target="_blank"><span style="font-family: Arial;font-size: 13px;color: #e91974;font-weight: lighter;">unique</span> <span style="font-family: Arial;font-size: 13px;color: #020202;font-weight: lighter;">sales<...
离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
web服务启动报错：
Picked up JAVA_TOOL_OPTIONS: "-Dfile.encoding=UTF-8"
Executing [D:\appinventor\AppInventor2\resources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.ne...
How to remove stop words using nltk or python
...
from nltk.corpus import stopwords
# ...
filtered_words = [word for word in word_list if word not in stopwords.words('english')]
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How does having a dynamic variable affect performance?
...Generator();
if (!method.IsStatic)
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Unbox_Any, method.DeclaringType);
}
var parameters = method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCo...