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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...'s an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4 bytes */
ch...
maximum value of int
...
in C99 you can also use UINT64_MAX and INT64_MAX
– Dmitry Vyal
Oct 2 '13 at 9:08
3
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App Inventor 2 文字转图片教程 - 文图生成方案 · App Inventor 2 中文网
...
}
.card.gradient-bg {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.quote-mark { font-size: 60px; line-height: 1; opacity: 0.3; }
.title { font-size: 22px; font-weight: bold; margin: 10px 0; line-height: 1.5; }
.content { font-size: 16px; line-height: 1.8; opac...
What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
Is there a Unix utility to prepend timestamps to stdin?
...row this out there: there are a pair of utilities in daemontools called tai64n and tai64nlocal that are made for prepending timestamps to log messages.
Example:
cat file | tai64n | tai64nlocal
JavaScript/jQuery to download file via POST with JSON data
...as used here with PDFs: alexhadik.com/blog/2016/7/7/l8ztp8kr5lbctf5qns4l8t3646npqh
– Mateo Tibaquira
Jun 17 '17 at 10:34
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Meaning of epsilon argument of assertEquals for double values
...or (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
3
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Android Studio - How to increase Allocated Heap Size
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Thx, it's very usefull. FYI, if you use the 64bits version, the file to edit is named studio64.exe.vmoptions.
– Eselfar
Jul 11 '17 at 14:47
add ...
HMAC-SHA1 in bash
...] echo -n "value" | openssl dgst -sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Or simply:
[me@home] echo -n "value" | openssl sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Remember to use -n with echo or else a line break character is appended to the string and that cha...
Impossible to Install PG gem on my mac with Mavericks
.../pg_config
Once done, install the pg gem with
env ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/usr/local/Cellar/postgresql/9.3.3/bin/pg_config
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