If you write Android code, it is very likely that you have some static field to use as key of your Shared Preferences or Bundles and…

در قسمت اول این مطلب، در مورد سینتکس و تایپ‌سیستم زبان کاتلین خواندیم. در صورتی که هنوز قسمت اول را نخوانده‌اید پیشنهاد می‌شود ابتدا آن را مطالعه کنید. در قسمت دوم نیز، ایمنی در برابر null، توابع و برنامه‌نویسی تابعی، کلاس‌های داده و توابع و فیلدهای افزودنی…

شاید این سوال واستون پیش اومده چه تفاوتی بین لایسنس های اپن سورس وجود داره

What version of Go are you using (go version)? 1.6.2 1.6.3 1.7 What operating system and processor architecture are you using (go env)? GOARCH="amd64" GOBIN="" G...

The following command is working as expected...
cp -ur /home/abc/* /mnt/windowsabc/

Does rsync has any advantage over it? Is there a better way to keep to backup folder in sync every 24 hours?

I tend to use rsync when others would typically use a simple cp for copying files. A few reasons: It can be canceled in the middle, and resumed later …

rust_gpizero uses the Rust programming language to do physical computing on the Raspberry Pi.

Free YAML Validator is a web based validator and lint YAML.

Exceptions are a mainstay of programming languages. They are commonly used to handle anomalous or exceptional conditions that require special processing, breaking out of the normal flow of the application. Some languages, such as C++ or Java, use them liberally.…

Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists). What is the idiomatic way to do it?

خرید اینترنتی ایستگاه برق قابل حمل Goal Zero Yeti 500X ، نیروگاه اضطراری باتری لیتیوم قابل حمل 505Wh ، ژنراتور خورشیدی در فضای باز ، اینورتر موج سینوسی خالص 120 ولت AC ، پورت اتومبیل 12 ولت ، 6 میلی متر ، USB C PD ، پورت USB A برند Goal Zero از محصولات Generators…

Is there a built in function that returns the minimum of a slice of int arguments:
func MinIntSlice(v []int) (m int) {
if len(v) > 0 {
m = v[0]
}
for i := 1; i < len(v); i...

comparison of programming languages

What are the differences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99? I know about C++ and C standards, it's the differences in ...

I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can

A syntax-aware grep-like code search tool. Contribute to osa1/sg development by creating an account on GitHub.

When searching your source code, grep gets the job done. But you can get better, faster results with tools like ack and ag.

Answer: I assume you want to know how online judges determine 'Memory Limit Exceeded' for a user-supplied program.

First you may want to read the general architecture of online judges at
How do online judges identify time limit exceeded? I have to design…