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How to convert a string of bytes into an int?
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Warning: "L" is actually 8 bytes (not 4) in 64 bit Python builds, so this might fail there.
– Rafał Dowgird
Jan 15 '09 at 11:47
12
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C/C++ check if one bit is set in, i.e. int variable
...ave" to do it this way. But I usually write:
/* Return type (8/16/32/64 int size) is specified by argument size. */
template<class TYPE> inline TYPE BIT(const TYPE & x)
{ return TYPE(1) << x; }
template<class TYPE> inline bool IsBitSet(const TYPE & x, const TYPE &...
How to get .pem file from .key and .crt files?
...s with -----BEGIN and you can read it in a text editor:
The file uses base64, which is readable in ASCII, not binary format. The certificate is already in PEM format. Just change the extension to .pem.
If the file is in binary:
For the server.crt, you would use
openssl x509 -inform DER -outform ...
How can I check if a single character appears in a string?
...erialVersionUID = 1L;
private final long[] l = new long[1024]; // 65536 / 64 = 1024
public FastCharacterInStringChecker(final String string) {
for (final char c: string.toCharArray()) {
final int index = c >> 6;
final int value = c - (index << 6);
l[index] |...
Appending HTML string to the DOM
...up environment (2019.07.10) MacOs High Sierra 10.13.4 on Chrome 75.0.3770 (64-bit), Safari 11.1.0 (13604.5.6), Firefox 67.0.0 (64-bit)
on Chrome E (140k operations per second) is fastest, B (47k) and F (46k) are second, A (332) is slowest
on firefox F (94k) is fastest, then B(80k), D (73k), E(...
byte[] to hex string [duplicate]
...: 010204081020
If you want a more compact representation, you can use Base64:
string base64 = Convert.ToBase64String(data);
Result: AQIECBAg
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Use C++ with Cocoa Instead of Objective-C?
...s that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple i...
Add a custom attribute to a Laravel / Eloquent model on load?
... Jazerix
4,17999 gold badges3434 silver badges6464 bronze badges
answered Jun 21 '13 at 13:06
Alexandre DanaultAlexandre Danault
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How to get disk capacity and free space of remote computer
...FreeSpaceEx -PassThru
$freeBytesAvailable = New-Object System.UInt64 # differs from totalNumberOfFreeBytes when per-user disk quotas are in place
$totalNumberOfBytes = New-Object System.UInt64
$totalNumberOfFreeBytes = New-Object System.UInt64
$l_result = $l_type::GetDiskFr...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...展。所以自己动手吧。
注意：
如果智能手机和远程站位于同一个（本地）网络中，则扩展可以完美运行。如果智能手机仅通过蜂窝网络连接，则通常无法访问。原因是智能手机不直接连接到互联网，而只连接到移动电话提供...